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32159-20-9

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32159-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 32159-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,1,5 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 32159-20:
(7*3)+(6*2)+(5*1)+(4*5)+(3*9)+(2*2)+(1*0)=89
89 % 10 = 9
So 32159-20-9 is a valid CAS Registry Number.

32159-20-9Downstream Products

32159-20-9Relevant articles and documents

A SIMPLE METHOD FOR SYNTHESIS OF AMIDES AND PEPTIDES THROUGH ACYL CHLORIDES. A RAPID SYNTHESIS OF THYROTROPIN RELEASING HORMONE

Matsuda, Fuyuhiko,Itoh, Shin,Hattori, Noritaka,Yanagiya, Mitsutoshi,Matsumoto, Takeshi

, p. 3625 - 3631 (2007/10/02)

By improvement of the classical SOCl2-pyridine method for the preparation of acid chlorides, amides and optically pure peptides were synthesized rapidly in a simple manner from DCHA (dicyclohexylammonium) salts of carboxylic acids.This modified SOCl2-pyridine method was applied to a rapid synthesis of TRH.

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