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947516-23-6

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947516-23-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 947516-23-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,7,5,1 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 947516-23:
(8*9)+(7*4)+(6*7)+(5*5)+(4*1)+(3*6)+(2*2)+(1*3)=196
196 % 10 = 6
So 947516-23-6 is a valid CAS Registry Number.

947516-23-6Relevant articles and documents

MAOS of quinoxalines, conjugated pyrazolylquinoxalines and fused pyrazoloquinoxalines from L-ascorbic and D-isoascorbic acid

Ashry, El Sayed H. El,Atta, Kamal F.,Aboul-Ela, Salah,Beldi, Razika

, p. 1 - 16 (2007/10/03)

Microwave-assisted organic synthesis (MAOS) has been used to accelerate the conversion of L-ascorbic acid (1) and D-isoascorbic acid (2) to the title heterocycles by conversion to 3-(L-threo- or D-erythro-glycerol-1-yl) quinoxaline-2-carboxylic acid o-ami

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