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197785-39-0

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197785-39-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197785-39-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,7,8 and 5 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 197785-39:
(8*1)+(7*9)+(6*7)+(5*7)+(4*8)+(3*5)+(2*3)+(1*9)=210
210 % 10 = 0
So 197785-39-0 is a valid CAS Registry Number.

197785-39-0Relevant articles and documents

Potential GABAB receptor antagonists. IX: The synthesis of 3-amino-3-(4-chlorophenyl)propanoic acid, 2-amino-2-(4-chlorophenyl)ethylphosphonic acid and 2-amino-2-(4-chlorophenyl)ethanesulfonic acid

Abbenante, Giovanni,Hughes, Robert,Prager, Rolf H.

, p. 523 - 527 (2007/10/03)

This paper describes the synthesis of 3-amino-3-(4-chlorophenyl)propanoic acid and the corresponding phosphonic and sulfonic acids, lower homologues of baclofen, phaclofen and saclofen respectively. The chlorinated acids were all weak specific antagonists of GABA at the GABAB receptor, with the sulfonic acid (pA2 4·0) being stronger than the phosphonic acid (pA2 3·8) and carboxylic acid (pA2 3·5).

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