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83401-18-7

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83401-18-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83401-18-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,4,0 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83401-18:
(7*8)+(6*3)+(5*4)+(4*0)+(3*1)+(2*1)+(1*8)=107
107 % 10 = 7
So 83401-18-7 is a valid CAS Registry Number.

83401-18-7Downstream Products

83401-18-7Relevant articles and documents

Composes sulfures heterocycliques. XCV. Reaction des hydrazinecarboxylates de methyle ou d'ethyle sur les benzothiazine-3,1 thiones-4 et sur les benzothiazine-3,1 ones-4

Legrand, Louis,Lozac'H, Noel

, p. 133 - 138 (2007/10/02)

Methyl or ethyl hydrazinecarboxylates react with 1,3-benzothiazine-4-thiones 1 giving, according to the reaction process and to the structure of 1, variable amounts of alkyl (4-thioxo-3,4-dihydroquinazolin-3-yl) carbamate 2 and of alkyl 2-(4H-3,1-benzothi

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