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161958-74-3

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161958-74-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161958-74-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,9,5 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 161958-74:
(8*1)+(7*6)+(6*1)+(5*9)+(4*5)+(3*8)+(2*7)+(1*4)=163
163 % 10 = 3
So 161958-74-3 is a valid CAS Registry Number.

161958-74-3Relevant articles and documents

Efficient one-pot conversion of 6-methyl-2-nitroaniline into 1-alkyloxy-2-alkyl-4-methyl-, 1-benzyloxy-2-phenyl-4-methyl-, and 1-allyloxy-4-methyl-2-vinyl-benzimidazole

Gardiner,Loyns

, p. 819 - 827 (1995)

6-Methyl-2-nitroaniline reacts with alkyl, benzyl and allyl halides and NaH as base, to afford 1-alkoxy-2-alkyl-, 1-benzyloxy-2-aryl- and 1-allyloxy-2-vinyl-benzimidazoles in good to excellent yields (73-98%), via a novel one-pot N-alkylation-heterocycliz

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