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138877-81-3

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138877-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138877-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,7 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 138877-81:
(8*1)+(7*3)+(6*8)+(5*8)+(4*7)+(3*7)+(2*8)+(1*1)=183
183 % 10 = 3
So 138877-81-3 is a valid CAS Registry Number.

138877-81-3Downstream Products

138877-81-3Relevant articles and documents

Three-Component Cyclocondensations. An Efficient Synthesis of 4-Amino-2-(methylthio)imidazolium Salts via the Reaction of Methyl Chlorothioimidates with Benzaldimines and Isocyanides. Autoxidation of the Imidazole Derivatives

Malvaut, Yvelise,Marchand, Evelyne,Morel, Georges

, p. 2121 - 2127 (2007/10/02)

Treatment of imino chlorosulfides 1 with a mixture of benzaldimine and isocyanide provides 4-aminoimidazolium chlorides 5.Presumably the reaction involves the N-imidoylbenzylideniminium chlorides 4 as transient intermediates. 1- and 3-tert-Butyl imidazoli

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