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131027-91-3

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131027-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131027-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,0,2 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131027-91:
(8*1)+(7*3)+(6*1)+(5*0)+(4*2)+(3*7)+(2*9)+(1*1)=83
83 % 10 = 3
So 131027-91-3 is a valid CAS Registry Number.

131027-91-3Downstream Products

131027-91-3Relevant articles and documents

POTENTIAL NOOTROPIC AGENTS: SYNTHESIS OF A SERIES OF (2-OXO-1-PYRROLIDINYL)ACETIC ACID PIPERAZIDES

Valenta, Vladimir,Sindelar, Karel,Holubek, Jiri,Ryska, Miroslav

, p. 1613 - 1629 (2007/10/02)

The title compounds VI-XXIII were prepared by heating ethyl (2-oxo-1-pyrrolidinyl)acetate (II) with a series of N-monosubstituted piperazines.The propionamides XXVI and XXX were obtained by reactions of the acid chlorides IV and XXXIII with 3-(1-piperazinyl)propionamide.Compounds VI (VUFB-13 763) and VIII (VUFB-14 745) proved more active than piracetam (I) by their antiamnestic effects in rats by antagonising the brain demaging effects of cycloheximide in infantile rats, and by their potentation of the effects of anticolvunsant agents.

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