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81557-40-6

81557-40-6

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81557-40-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81557-40-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,5 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81557-40:
(7*8)+(6*1)+(5*5)+(4*5)+(3*7)+(2*4)+(1*0)=136
136 % 10 = 6
So 81557-40-6 is a valid CAS Registry Number.

81557-40-6Downstream Products

81557-40-6Relevant articles and documents

STUDIES OF 2,4,5-TRIARYLIMIDAZOLES 1. SYNTHESIS OF SUBSTITUTED DERIVATIVES OF 1,4-BIS(4,5-DIPHENYLIMIDAZOL-2-YL)BENZENE AND "QUINOID" OXIDATION PRODUCTS

Cherkashin, M. I.,Chauser, M. G.,Shienok, A. I.

, p. 340 - 341 (2007/10/02)

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