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PROTAMINE SULFATE GRADE III FROM HERRING

PROTAMINE SULFATE GRADE III FROM HERRING Suppliers list
Company Name: Beijing HuaMeiHuLiBiological Chemical   
Tel: 010-56205725;010-86181995
Email: waley188@sohu.com
Products Intro: Product Name:ProtaMine sulfate
CAS:9007-31-2
Purity:99% Package:25kg
Company Name: Sigma-Aldrich  
Tel: 021-61415566
Email: orderCN@merckgroup.com;orderCN@merckgroup.com
Products Intro: Product Name:Protamine
CAS:9007-31-2
Purity:Grade III, histone free Millon test Package:250mg, 1g, 5g, 25g Remarks:P4505
Company Name: Shanghai Shuai Sun Industrial Co., Ltd.  
Tel: 021-37590756 57450129
Email: sales@shsschem.com
Products Intro: Product Name:Protamine sulfate
CAS:9007-31-2
Purity:99% Package:1KG;5KG;25KG
Company Name: Shanghai Dingfen Chemical Technology Co., Ltd.  
Tel: 021-37590756-
Email: 373600283@qq.com
Products Intro: Product Name:Protamine sulfate
CAS:9007-31-2
Purity:BR Package:1g;25g;5g
Company Name: Shanghai Dingfen Chemical Technology Co., Ltd.  
Tel: 021-37590756- ;021-57450129-
Email: 369405814@qq.com;2789251452@qq.com
Products Intro: Product Name:Protamine sulfate
CAS:9007-31-2
Purity:BR Package:100g;25g;500g
PROTAMINE SULFATE GRADE III FROM HERRING Basic information
Product Name:PROTAMINE SULFATE GRADE III FROM HERRING
Synonyms:PROTAMINE SULFATE GRADE III FROM HERRING;protamine sulfate from herring;Protamine sulfate salt herring;clupeine;protamine sulfate salt from herring
CAS:9007-31-2
MF:
MW:0
EINECS:232-726-0
Product Categories:
Mol File:Mol File
PROTAMINE SULFATE GRADE III FROM HERRING Structure
PROTAMINE SULFATE GRADE III FROM HERRING Chemical Properties
pka7.4-8.0; pKb 2.9-3.3(at 25℃)
Merck 13,2449
Safety Information
WGK Germany 3
RTECS UK9450000
21-10
MSDS Information
PROTAMINE SULFATE GRADE III FROM HERRING Usage And Synthesis
Purification MethodsProtamine sulfate is a strongly basic protein (white powder, see pK) used to precipitate nucleic acids from crude protein extracts. It dissolves to the extent of 1.25% in H2O. It is freely soluble in hot H2O but separates as an oil on cooling. It has been purified by chromatography on an IRA-400 ion-exchange resin in the SO 4 form and is washed with dilute H2SO4. Eluates are freeze-dried under high vacuum below 20o. This method is used to convert proteamine and protamine hydrochloride to the sulfate. [UV: Rasmussen Hoppe Seyler's Z Physiol Chem 224 97 1934, Ando & Sawada J Biochem (Tokyo) 49 252 1961, Felix & Hashimoto Hoppe Seyler's Z Physiol Chem 330 205 1963.]
PROTAMINE SULFATE GRADE III FROM HERRING Preparation Products And Raw materials
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