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D-Cys-OH.HCl.H2O




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D-Cys-OH.HCl.H2O


GB PHARMA

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[Contact Information]
Posted by ÕÅÏÈÉú
e-MailFor registered Members only.
Company
Sichuan GT Bio-Pharmaceutical Co.,Ltd
Address Chengdu Ruixing Road,39#
City & ZIP
 610091
Country
 China
Phone
 For registered Members only.
Fax
 For registered Members only.
Interest
Company Profile Chengdu GT Bio-Pharmaceutical Co., Ltd. (GTB) is the leader manufacturer of protected amino acids and related fine chemicals in China area. Our company has been awarded ISO 9001:2000 International Quality Management Systems Certification. And with perfect ways of inspection, we guarantee the high quality of our products. With a laboratory (capacity: gram base to kilogram base), pilot plant (capacity: 10kg to 100kg base) and manufacturing plant (capacity: above ton base), GTB can offer various of protected amino acids from gram base to ton base, such as Boc-Amino Acids, Fmoc-Amino Acids, Cbz-Amino Acids, and so on.
URLFor registered Members only.

KeywordsTommy

Product SpecificationsDear Customer,
We are Sichuan Goldentree Bio-Pharmaceutical Co., Ltd (abbreviated for GB PHARMA)
We can offer this product, the specifications is as follows,
Product Name H-D-Cys-OH·HCl·H2O
Synonyms D-Cysteine Hydrochloride Monohydrate
Molecular Formula C3H7NO2S·HCl·H2O
Molecular Weight 175.7
CAS # 32443-99-5

Test Items Standard
Appearance White crystals or crystalline powder
Specific Rotation [20/D] -5.5 to -7.0 Degree (C=8 in 1N HCl)
State of Solution (Transmittance) Not less than 98.0%
Loss on Drying 8.5% to 12.0%
Residue in Ignition (Sulfate) Not more than 0.10%
Chloride (Cl) 19.89% to 20.29%
Ammonium (NH4) Not more than 0.02%
Sulfate (SO4) Not more than 0.020%
Arsenic (As2O3) Not more than 1 PPM
Iron (Fe) Not more than 10 PPM
Heavy Metals (Pb) Not more than 10 PPM
Other Amino Acids Chromatographically not detectable
Assay (-SH) 98.0% to 102.0%

Best regards.
---------------------------------------
Company name£ºSichuan Goldentree Bio-Pharmaceutical Co., Ltd (abbreviated for GB PHARMA)
Add:D-11, Flat A,Building 1#,Hi-Tech Incubation Park,Nanyanxian,Tianfudadao,Chengdu,610041,China
People:Tommy Zhang Email:customer@gtchem.com
Tel:28-85335020
Fax:85335030
Web:www.gtchem.com


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Delivery Lead Time2007-03-18

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D-Cys-OH.HCl.H2O
Product Details
Product id 200087
Visits  879
Date 2007.03.18