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66895-34-9

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66895-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66895-34-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,8,9 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 66895-34:
(7*6)+(6*6)+(5*8)+(4*9)+(3*5)+(2*3)+(1*4)=179
179 % 10 = 9
So 66895-34-9 is a valid CAS Registry Number.

66895-34-9Relevant 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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