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91692-76-1

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91692-76-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91692-76-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,9 and 2 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 91692-76:
(7*9)+(6*1)+(5*6)+(4*9)+(3*2)+(2*7)+(1*6)=161
161 % 10 = 1
So 91692-76-1 is a valid CAS Registry Number.

91692-76-1Relevant articles and documents

SYNTHESIS OF N-HYDROXYMETHYL DERIVATIVES OF 5-SUBSTITUTED TETRAZOLES

Tselinskii, I. V.,Mel'nikov, A. A.,Varyagina, L. G.,Zhigadlova, I. G.

, p. 341 - 343 (2007/10/02)

Mixtures of isomeric 1- and 2-hydroxymethyl derivatives are formed in the reaction of tetrazole and 5-alkyltetrazoles with formaldehyde in aqueous media, while only one isomer is formed from 5-phenyl- and 5-trifluoromethyltetrazoles.The structures and ratios of the isomers were determined by PMR spectroscopy.

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