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274900-91-3

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274900-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 274900-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,4,9,0 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 274900-91:
(8*2)+(7*7)+(6*4)+(5*9)+(4*0)+(3*0)+(2*9)+(1*1)=153
153 % 10 = 3
So 274900-91-3 is a valid CAS Registry Number.

274900-91-3Upstream product

274900-91-3Relevant articles and documents

Design and synthesis of some oxadiazolyl, thiadiazolyl, thiazolidinyl, and thiazolyl derivatives of 1H-pyrazole as anti-inflammatory antimicrobial agents

Farghaly, Ahmed A.,Bekhit, Adnan A.,Park, Ji Young

, p. 53 - 57 (2007/10/03)

Four series of 1H-pyrazole derivatives have been synthesized. The first series was prepared by cyclization of the intermediate 3-(5-bromo-2-thienyl)- 1-phenyl-1H-pyrazole-4-carbaldehyde aroylhydrazone 4a-c with acetic anhydride to afford the corresponding

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