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148759-19-7

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148759-19-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148759-19-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,7,5 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 148759-19:
(8*1)+(7*4)+(6*8)+(5*7)+(4*5)+(3*9)+(2*1)+(1*9)=177
177 % 10 = 7
So 148759-19-7 is a valid CAS Registry Number.

148759-19-7Upstream product

148759-19-7Downstream Products

148759-19-7Relevant articles and documents

Three-component cyclocondensations. A convenient access to fused imidazolium and dihydropyrimidinium salts via the reaction of methyl chlorothioimidates with azines and isocyanides

Marchand, Evelyne,Morel, Georges

, p. 2319 - 2322 (1993)

A mixture of methyl chlorothioimidate, isocyanide and pyrinidine react in a sequence of N-imidoylpyridinium formation then cycloaddition step, to give 1-amonoimidazo [1,5-a] pyridazine, pyrimidine and pyrazine allows the preparation of corresponding fused 1 -amino-3-(methylthio) imidazolium chlorides.

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