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HUNAN OUYA BIOLOGICAL CO LTD

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HUNAN OUYA BIOLOGICAL CO LTD
HUNAN OUYA BIOLOGICAL CO LTD
China
Company Profile
Company Contact
Name:Mrs. Fanny Tse [Administrative]
E-mail:
Homepage:
Instant Messaging:
ICQ: 1587668078
Windows Live: fanny-hnouya@hotmail.com fanny-hnouya@hotmail.com
Mobile Number:Mobile number of Mrs. Fanny Tse at Changsha
Phone Number:Phone number of Mrs. Fanny Tse at Changsha
Fax Number:Fax number of Mrs. Fanny Tse at Changsha
Address:Changsha National Biomedical Industrial Base
Changsha 361006, Hunan
China
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Registration Date:May. 24, 2023
Last Updated:Jul. 20, 2011
Business Nature:Manufacturing of Chemicals category

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Company Brief

Hunan Ouya Biological is established in 2007 , located in Changsha National Biomedical Industry Base , Hunan Province, China.We are mainly engaged in marketing development , sales, technical support and service.Ouya Biological provides Active Pharmaceutical Ingredients( API) & Intermediates to the global marketplaces.

Major Products / Services
Seller:
  • Doxifluridine 3094-09-5
    Name Doxifluridine
    Synonyms 5'-Deoxy-5-fluorouridine; 5-Fluoro-5ýý-deoxyuridine

    Molecular Structure

    Molecular Formula C9H11FN2O5
    Molecular Weight 246.19
    CAS Registry Number 3094-09-5
    EINECS 221-440-1

    fanny@hnouya.cn
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  • Amlodipine besylate
    Product Name: Amlodipine besylate

    CAS NO.: 111470-99-6 Usage: Anti-hypertension
    Molecular formula: C20H25N2O5Cl·C6H6O3S Molecular weight: 567.1
    Appearance: White or almost white powder
    Solubility: Slightly soluble in water and in 2-propanol, Freely Soluble in methanol, sparingly soluble in ethanol.
    Identification(IR): The infrared absorption spectrum of the substance being examined in mulls should be concordant with the spectrum obtained from Amlodipine Besylate working standard
    Impurity D:0.3%Max
    Total of other impurities: 0.3%Max
    Water Content (By KF):0.5%w/ w
    Sulphated Ash:0.2w/ w
    Assay:98.0~102.0%Packing: 25kg/ drum
    fanny@hnouya.cn
    Fanny-hnouya@hotmail.com
    china amlodipine manufacturer, amlodipine suppliers from china, amlodipine manufacturer china, chinese s-amlodipine manufacturer, amlodipine exporters
  • Amlodipine base
    Product Name: Amlodipine base CAS NO.: 88150-42-9 Usage:Intermediate for the anti-hypertension drug
    Description: Molecular formula: C20H25ClN2O5Molecular weight: 408.88 Appearance: White or almost White Powder
    SolubilitySlightly soluble in water
    Water:0.5Max
    Melting point: 178-179 ºC
    Water-soluble: 75.3 MG/ L
    Identification (HPLC)Sample retention time should match with standard retention time
    impurity D:0.1Max
    lightest unknown impurity:0.1Max
    total impurities:0.3MaxAssay:99% Packing: 25kg/ barrel
    fanny@hnouya.cn
    Fanny-hnouya@hotmail.com
  • N-Methyl-4-diazanylsulfabenzamide
    Product Name: N-Methyl-4-diazanylsulfabenzamideCAS NO.: 88933-16-8Usage: Sumatriptan , zolmitriptan , naratriptan Etc. other triptan intrmediate
    Description: Molecular formula: C8H13N3O2SMolecular weight: 215.27Appearance: colorless oil-type liquidWater : NMT0.1% Assay: 96% minPacking: 25kg/ barrel
    fanny@hnouya.cn
    Fanny-hnouya@hotmail.com
  • Rosuvastatin calcium
    Product name: Rosuvastatin calcium
    CAS NO.: 147098-20-2 usage: antilipemic agent
    Molecular formula: 2(C22H27FN3O6S).Ca;C44H54CaF2N6O12S2Molecular weight: 1001.14
    Appearance: white to light yellow powder, odourlesstasteless
    Specific rotation+5~+8
    Heavy metal: d 20ppm
    methylene dichloride: d 0.06%
    waterK.F) d5.0%
    single impurity: d 0.5%
    total impurity: d 1.0%
    Assay:98.0~102.0%
    fanny@hnouya.cn

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  • tenofovir
    Product Name: tenofovirCAS NO.: 147127-20-6Description: Molecular formula: C9H14N5O4P Molecular weight: 287.22 Appearance: white or off-white powder
    Melting point276-280 ºCAssay: 98.0% fanny@hnouya.cn
    china tenofovir manufacturer, tenofovir suppliers from china, tenofovir manufacturer china, chinese tenofovir manufacturer, tenofovir exporters
  • Tranilast CAS NO.: 53902-12-8
    Product Name: Tranilast
    CAS NO.: 53902-12-8Usage: For the prevention and treatment of bronchial, asthma, atopic dermatitis
    Molecular formula: C18H17NO5Molecular weight:  327.34
    Appearance: Light yellow crystalline powder
    Melting point: 207-210
    Choride:0.01%Max
    Loss on drying:0.5%Max
    Residue on ignition:0.15%Max
    Heavy metal:15 ppm Max
    Assay: 99%Packing: 25kg/ drum
    fanny@hnouya.cn
    Fanny-hnouya@hotmail.com
    china Tranilast manufacturer, Tranilast suppliers from china, Tranilast manufacturer china, chinese Tranilast manufacturer, Tranilast exporters
  • Balofloxacin CAS NO.: 127294-70-6
    Product Name: Balofloxacin
    CAS NO.: 127294-70-6Usage: antibacterial drug
    Molecular formula: C20H24FN3O4Molecular weight:  389.43
    Appearance: White crystal powder
    Melting point: 137Assay:99%
    Packing: 1kg/ bag, 20kg/ drum
    fanny@hnouya.cn
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  • 2-pyridinol-1-oxide
    Product name: 2-pyridinol-1-oxide
    CAS NO: 13161-30-3
  • S-amlodipine
    Product Name: S-amlodipine
    CAS NO.: 103129-82-4Usage: Anti-hypertension
    Molecular formula: C20H25N2O5Cl · C6H6O3S Molecular weight: 567.05 
    Appearance:white or almost white powder, Odorless, bitter taste, there are cited wet
    Specific rotation: -24.2°~28.3°
    Density:1.227
    Assay:99%Min Packing: 25kg/ drum
    fanny@hnouya.cn
    Fanny-hnouya@hotmail.com
    china s-amlodipine manufacturer, s-amlodipine suppliers from china, s-amlodipine manufacturer china, chinese s-amlodipine manufacturer, s-amlodipine exporters
  • olanzapine
    olanzapine

    olanzapine cas no 132539-06-1
  • 3, 4-dimethoxy-pheno
    3, 4-dimethoxy-pheno

    3, 4-dimethoxy-pheno CAS No.:2033-89-8 C8H10O3 154.16
    fanny@hnouya.cn
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  • Meropenem CAS No.:119478-56-7
    Meropenem

    Chemical Name3-[[5-[(Dimethylamino)carbonyl]-3-pyrrolidinyl]thio]-6-(1-hydroxyethyl) -4-methyl-7-oxo-1-azabicyclo[3, 2, 0]hept-2-ene-2-carboxylic acid trihydrateMolecular Formula:C17H25N3O5S·3H2OMolecular Weight: 437.52CAS No.:119478-56-7Structural Formula:
    Uses: Antibiotic drugs.
  • Side Chain for Meropenem
    Side Chain for Meropenem

    Product Name:side chain for meropenem (2S-CIS , E-7, 2S-CIS-PNB )Chemical Name: (2S, 4S) -2-(dimethylaminocarbonyl)-4-mercapto-1- (p- nitrobenzyloxycarbonyl)-1-pyrrolidineMolecular Formula: C15H19N3O5SMolecular Weight:353.40CAS No.:96034-64-9Structural Formula:
    Quality Standard:Enterprise Standard
    Uses:used in the synthesis of meropenem.
  • MAP
    MAP

    Product Name: MAP, β-Methyl vinyl phosphateChemical Name: P-Nitrobenzyl (4R, 5S, 6S)-3-(diphenyloxy)phosphoryloxy-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylateMolecular Formula:C29H27N2O10PMolecular Weight:594.52CAS No.:90776-59-3Structural Formula:
    Quality Standard:Enterprise Standard
    Uses: used in the synthesis of meropenem.
  • Imipenem
    Chemical Name:(5R, 6S)-6-[(1R)-1-Hydroxyethyl]-3-[[2-[(iminomethyl)amino]ethyl]thio]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid monohydrateMolecular Formula:C12H17N3O4S.H2OMolecular Weight:317.36CAS No.:74431-23-5Structural Formula:
    Uses: Antibiotic drugs.
  • Ertapenem
    Ertapenem

    Chemical Name: (4R, 5R, 6S)-3-[(3S, 5S)-5-[(3-Carboxyphenyl)carbamoyl]pyrrolidin-3-yl]sulfanyl-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acidMolecular Formula:C22H25N3O7SMolecular Weight: 475.52CAS No.: 153832-46-3Structural Formula:
    Quality Standard:Enterprise Standard
    Uses:Antibiotic drugs. Antibiotic drugs.
  • 4-Dimethylamino butyaldehyde dimethyl acetal
    Product Name: 4-Dimethylamino butyaldehyde dimethyl acetalCAS NO.: 19718-92-4Usage: Sumatriptan , zolmitriptan , naratriptan Etc. other triptan intrmediate
    Description: Molecular formula: C8H19NO2Molecular weight: 161.24Appearance: colorless oil-type liquidWater : NMT0.1% Assay: 96% minPacking: 25kg/ barrel
    fanny@hnouya.cn
    Fanny-hnouya@hotmail.com
  • Adefovir dipivoxil
    Product Name: Adefovir dipivoxil
    CAS NO.: 142340-99-6 Usage: Anti-hepatitis B virus
    Molecular formula: C20H32N5O8PMolecular weight:  501.48
    Appearance:white to almost ctrystalline powder
    Heavy Metals: 20ppm Max
    Single impurity:0.1~0.2
    Chloride: 0.5% Max
    Total impurities:0.3~0.5
    Loss on dry: 0.5% Max
    Melting point: 98~101Assay: 98.5%-102.0%
    Packing: 25kg/ drum
    fanny@hnouya.cn
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  • Ethyl 4-acetoxy-6, 7-difluoro-2-(ethylthio)quinoline-3-carboxylate
    Prulifloxacin PL-7
    Product Description
    Product Name: Ethyl 4-acetoxy-6, 7-difluoro-2-(ethylthio)quinoline-3-carboxylateCAS NO.: 154330-67-3 Usage:Prulifloxacin intermediate
    Description: Molecular formula: C14H13F2NO3S Molecular weight:  313.32Appearance: light yellow to almost white powder
    Water:1.0Max Assay: 96%MinPacking: 10kg/ 25kg/ barrel
    fanny@hnouya.cn
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  • ethyl 6.7-difluoro-1-methyl-4-oxo-4H-(1, 3)-thiazeto (3, 2-a)quinoline-3-carboxylate
    Prulifloxacin PL-9
    Product Description
    Product Name: ethyl 6.7-difluoro-1-methyl-4-oxo-4H-(1, 3)-thiazeto (3, 2-a)quinoline-3-carboxylate
    CAS NO.: 113046-72-3Usage:Prulifloxacin intermediate
    Description: Molecular formula: C14H11F2NO3S Molecular weight: 311.31 Appearance: light yellow to almost white crystalline powder
    Water:1.0Max Assay: 98%MinPacking: 10kg/ 25kg/ barrel
    fanny@hnouya.cn
    Fanny-hnouya@hotmail.com
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  • Ethyl 6-fluoro-1-methyl-4-oxo-7-(1-piprazinyl)-4H-(1, 3)-thiazeto(3, 2-a) quinoline-3-carboxylate
    Prulifloxacin PL-10
    Product Description
    Product Name: Ethyl 6-fluoro-1-methyl-4-oxo-7-(1-piprazinyl)-4H-(1, 3)-thiazeto(3, 2-a) quinoline-3-carboxylate
    CAS NO.: 113028-17-4Usage:Prulifloxacin intermediate
    Description: Molecular formula: C18H20FN3O3S Molecular weight: 377.43 Appearance: light yellow to almost white crystalline powder
    Water1.0Max Assay: 98%MinPacking: 10kg/ 25kg/ barrel
    fanny@hnouya.cn
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    china prulifloxacin manufacturer, prulifloxacin suppliers from china, prulifloxacin manufacturer china, chinese prulifloxacin manufacturer, prulifloxacin exporters
  • 6-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-(1, 3)-thiazeto (3, 2-a)quinoline-3-carboxylic acid
    Prulifloxacin PL-11
    Product Description
    Product Name: 6-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-(1, 3)-thiazeto (3, 2-a)quinoline-3-carboxylic acid
    CAS NO.: 112984-60-8Usage:Prulifloxacin intermediate
    Description: Molecular formula: C16H16FN3O3SMolecular weight: 349.38 Appearance: light yellow to almost white crystalline powder
    Water:1.0Max Assay: 98%MinPacking: 10kg/ 25kg/ barrel
    fanny@hnouya.cn
    Fanny-hnouya@hotmail.com
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  • Telmisartan CAS NO.: 144701-48-4
    Product Name: Telmisartan
    CAS NO.: 144701-48-4Usage:Anti-hypertension
    Molecular formula: C33H30N4O2Molecular weight: 514.63
    Appearance: white or almost white crystalline powder
    Absorption coefficient: Should be 509-541
    Identification: (1) should be positive reaction(2) Maximum absorption at228 nm and 291nm
    (3) infra-red absorption spectrum should be identical with contrast
    Chloride:0.014%Max
    Sulphated ash:0.12%Max
    Related substance:1.0%Max
    Methanol:0.3%Max
    Dichloromethane:0.06%Max
    N, N-Dlmethylformamide:0.088%Max
    Ethanediol:0.062%Max
    Heavy metal:20ppm Max
    Loss on drying:1.0%Max
    Assay: 98.0~102.0%Packing: 25kg/ drum
    fanny@hnouya.cn
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    manufacturer, Telmisartan exporters
  • Prulifloxacin
    Product Name: Prulifloxacin
    CAS NO.: 123447-62-1Usage: antibacterial drug
    Molecular formula: C21H20FN3O6S Molecular weight: 461.47
    Appearance: Light yellow to yellow crystalline powder, with funk
    Solubility: Slightly soluble in DMF, almost not soluble in methanol, not soluble in water, slightly soluble in 0.1mol/ LNaOH, almost not soluble in 0.1mol/ LHCL
    Fluorin: 3.5~5.0%
    Acetonitrile: 0.41% Max
    Redidue on ignition:0.1 Max
    Loss on dry:1.0% Max
    Heavy Metal20ppm MaxAssay: 98.5%Min
    Packing: 25kg/ drum
    fanny@hnouya.cn
    Fanny-hnouya@hotmail.com
    china prulifloxacin manufacturer, prulifloxacin suppliers from china, prulifloxacin manufacturer china, chinese prulifloxacin manufacturer, prulifloxacin exporters
  • Trimethylene oxide/ Oxetane
    Customized synthesisProduct Name: Trimethylene oxide/ Oxetane
    CAS NO: 503-30-0
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  • PMEA CAS NO.: 106941-25-7
    Product Name: PMEACAS NO.: 106941-25-7Usage:Adefovir dipivoxil intermediateDescription: Molecular formula: C8H12N5O4PMolecular weight: 273.19Appearance: white to off-white powderLoss on drying: NMT 1.0% Related substance:NMT 1.0%HPLC: retention time should be identical with contrastUV:Maximum absorption at 261nmAssay: 98% minPacking: 25kg/ barrel
    fanny@hnouya.cn
    Fanny-hnouya@hotmail.com
    china Adefovir manufacturer, Adefovir suppliers from china, Adefovirmanufacturer china, chinese Adefovir manufacturer, Adefovir exporters
  • 6, 7-Dihydro-6-mercapto-5H-pyrazolo[1, 2-a][1, 2, 4]triazolium chloride
    6, 7-Dihydro-6-mercapto-5H-pyrazolo[1, 2-a][1, 2, 4]triazolium chlorideCAS NO.: 153851-71-9Usage: Biapenem intermediateDescription: Molecular formula: C5H8ClN3SMolecular weight: 177.66Appearance: white to off-white powderWater: d0.5KFassay: e98HPLC ESTD
    fanny@hnouya.cn
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    china biapenem manufacturer, biapenem suppliers from china, biapenem manufacturer china, chinese biapenem manufacturer, biapenem exporters
  • 4-Chlorobutanal dimethyl acetal
    Product Name: 4-Chlorobutanal dimethyl acetalCAS NO.: 29882-07-3Usage: Sumatriptan , zolmitriptan , naratriptan Etc. other triptan intrmediate
    Description: Molecular formula: C6H13CLO2Molecular weight: 152.62Appearance: Colorless to light yellow transparent liquidWater : NMT0.1% Assay: 96% minPacking: 25kg/ barrel
    fanny@hnouya.cn
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  • 4-Chlorobutanal diethyl acetal
    Product Name: 4-Chlorobutanal diethyl acetalCAS NO.: 6139-83-9Usage: Sumatriptan , zolmitriptan , naratriptan Etc. other triptan intrmediate
    Description: Molecular formula: C8H17CLO2Molecular weight:180.67Appearance: Colorless to light yellow transparent liquidWater : NMT0.1% Assay: 96% minPacking: 25kg/ barrel
    fanny@hnouya.cn
    Fanny-hnouya@hotmail.com
    china triptan manufacturer, triptan suppliers from china, triptan manufacturer china, chinese triptan manufacturer, triptan exporters
  • 4-Dimethylamino butyaldehyde dimethyl acetal
    Product Name: 4-Dimethylamino butyaldehyde dimethyl acetalCAS NO.: 19718-92-4Usage: Sumatriptan , zolmitriptan , naratriptan Etc. other triptan intrmediate
    Description: Molecular formula: C8H19NO2Molecular weight: 161.24Appearance: colorless oil-type liquidWater : NMT0.1% Assay: 96% minPacking: 25kg/ barrel
    fanny@hnouya.cn
    Fanny-hnouya@hotmail.com
    china triptan manufacturer, triptan suppliers from china, triptan manufacturer china, chinese triptan manufacturer, triptan exporters
  • 4, 4-Diethoxy-N, N-dimethyl-1-butanamine
    Product Name: 4, 4-Diethoxy-N, N-dimethyl-1-butanamineCAS NO.: 1116-77-4Usage: Sumatriptan , zolmitriptan , naratriptan Etc. other triptan intrmediate
    Description: Molecular formula: C10H23NO2Molecular weight:189.30 Appearance: colorless oil-type liquidFlash point:158°FWater : NMT0.1% Assay: 96% minPacking: 25kg/ barrel
    fanny@hnouya.cn
    Fanny-hnouya@hotmail.com
    china triptan manufacturer, triptan suppliers from china, triptan manufacturer china, chinese triptan manufacturer, triptan exporters
  • Methyl-6-methylnictinate
    Methyl-6-methylnictinate
    CAS Number:5470-70-2
    Molecular Formula:C8H9NO2
    Molecular Weight:151.16
    Density:1.104g/ cm3
    Melting Point:34-37 °C(lit.)
    Boiling Point:228.4 °C at 760 mmHg
    Flash Point:80.6 °C
    fanny@hnouya.cn
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    china Methyl-6-methylnictinate manufacturer, Methyl-6-methylnictinate from china, Methyl-6-methylnictinate manufacturer china, chinese Methyl-6-methylnictinate manufacturer, Methyl-6-methylnictinate exporters



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