Organic Intermediate Manufacturers - Xian Natural Field Bio-Technique Co., Ltd.

(4S,5R)-3-tert-butoxycarbony-2-(4-anisyl)-4-phenyl-5-oxazolidinecarboxylic acid

Docetaxel side chain 196404-55-4 99%min HPLC 30kgs in stocks 6 years of production experience Name:Docetaxel side chainSpecification: 99%min HPLCCAS Number:196404-55-4Name:(4S,5R)-3-tert-butoxycarbony-2-(4-anisyl)-4-phenyl-5-oxazolidinecarboxylic...

(1S,2S,3R,5S)-2,3-Pinanediol

high quality, large quantity, competitive price TEST ITEMSPECIFICATIONAppearanceWhite to off-white crystalline powderMelting Point53ºC — 57ºCWaterNot more than 3.0%Specific optical rotation +6.0°— +10°Any other single impurityNot more than 3.0%Purity...

Bortezomib Inter.; (1S-(1alpha,2alpha,3alpha,5alpha))-2,6,6-Trimethylbicyclo[3.1.1]heptane-2,3-diol

high quality, large quantity, competitive price TEST ITEM SPECIFICATIONAppearanceWhite to off-white crystalline powderMelting Point53ºC — 57ºCWaterNot more than 3.0%Specific optical rotation +6.0°— +10°Any other single impurityNot more than...

Bortezomib Intermediate; (aR,3aS,4S,6S,7aR)-Hexahydro-3a,8,8-trimethyl-alpha-(2-methylpropyl)-4,6-methano-1,3,2-benzodioxaborole

High quality, large quantity, competitive price Bortezomib Intermediate; (aR,3aS,4S,6S,7aR)-Hexahydro-3a,8,8-trimethyl-alpha-(2-methylpropyl)-4,6-methano-1,3,2-benzodioxaborole TEST ITEMSPECIFICATIONAppearanceWhite to off-white crystalline powderIdentificationH-1...

Meropenem Intermediates

High quality, large scale production, competitive price. for more infomation, please contact with us. thanks. Appearance: White or almost white powder. Identification: HPLC Loss on drying: ≤0.5% Single Impurity: ≤0.5% Total Impurity: ≤2.0% Purity (HPLC): ≥98.% ...

10-Hydroxy Camptothecin 98%

1. product name:10-hydroxy camptothecin 2. CAS: 19685-09-7 3. specification:98% 4. Usage: applied to the treatment of liver cancer, gastroenteritis, epithelioma of head and neck, cancer of resical leukemia. A few cases may have slightly anorexia, dehydrate, nausea, vomititing,...

(2R,3S)-3-t-butoxy-carbonylamino-2-hydroxy-3-phenylpropin acid 145514-62-1

Docetaxel side chain 145514-62-1 99%min HPLC 30kgs in stocks 6 years of production experience Name:Docetaxel side chainSpecification: 99%min HPLCCAS Number:145514-62-1Name:Benzenepropanoic acid, b-[[(1,1-dimethylethoxy)carbonyl]amino]-a-hydroxy-, (aR,bS)-Superlist...

Bortezomib Intermediate, (1S, 2S, 3R, 5S)-(+)-2, 3-pinanediol

high quality, large quantity, competitive price TEST ITEM SPECIFICATIONAppearanceWhite to off-white crystalline powderMelting Point53ºC — 57ºCWaterNot more than 3.0%Specific optical rotation +6.0°— +10°Any other single impurityNot more than...

(1S,2S,3R,5S)-2,3-Pinanediol; (1S-(1alpha,2alpha,3alpha,5alpha))-2,6,6-Trimethylbicyclo[3.1.1]heptane-2,3-diol

high quality, large quantity, competitive price TEST ITEMSPECIFICATIONAppearanceWhite to off-white crystalline powderMelting Point53ºC — 57ºCWaterNot more than 3.0%Specific optical rotation +6.0°— +10°Any other single impurityNot more than 3.0%Purity...

Bortezomib Intermediate

High quality, large quantity, competitive price TEST ITEMSPECIFICATIONAppearanceWhite to off-white crystalline powderIdentificationH-1 NMR,HPLCSpecific optical rotation+10°~+11°Loss on drying≤1.5%Assay (HPLC)≥98.0% ...