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1609076-20-1

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1609076-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1609076-20-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,0,7 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1609076-20:
(9*1)+(8*6)+(7*0)+(6*9)+(5*0)+(4*7)+(3*6)+(2*2)+(1*0)=161
161 % 10 = 1
So 1609076-20-1 is a valid CAS Registry Number.

1609076-20-1Downstream Products

1609076-20-1Relevant articles and documents

A facile method for the synthesis of hydrazine-4-oxothiazolidine and imino-5-oxothiadiazine derivatives from 1,4-disubstituted thiosemicarbazides

Hassan, Alaa A.,Aly, Ashraf A.,Bedair, Tarek I. M.,Brown, Alan B.,El-Emary, Talaat I.

, p. 44 - 49 (2014/02/14)

1,4-Disubstituted thiosemicarbazides reacted with dimethyl acetylenedicarboxylate with formation of (2-hydrazono-4-oxothiazolidin-5- ylidene)acetates and, in one case, a (2-imino-1,3,4-thiadiazin-5-on-6-ylidene) acetate. Several mechanistic options involving nucleophilic interaction are presented. The structures of all newly synthesized compounds were identified by 1H NMR, 13C NMR, COSY, HMQC and HMBC spectral data.

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