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123458-65-1

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123458-65-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123458-65-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,4,5 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 123458-65:
(8*1)+(7*2)+(6*3)+(5*4)+(4*5)+(3*8)+(2*6)+(1*5)=121
121 % 10 = 1
So 123458-65-1 is a valid CAS Registry Number.

123458-65-1Relevant articles and documents

SYNTHESIS AND PROPERTIES OF ISOMERIC N-ARYLSULFONYL-N-NITROGUANIDINES

Dobonravov, A. N.,Dubina, V. L.,Svistun, N. V.

, p. 480 - 483 (2007/10/02)

Methods were developed for the synthesis of isomeric N-tosyl-N-nitroguanidines with the nitro group at various nitrogen atoms.Their reactions with diazomethane, acetylacetone, and primary amines and their alkaline hydrolysis were studied.A new method is developed for the production of N1-tosyl-N2-alkylguanidines.

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