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264195-72-4

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264195-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 264195-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,4,1,9 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 264195-72:
(8*2)+(7*6)+(6*4)+(5*1)+(4*9)+(3*5)+(2*7)+(1*2)=154
154 % 10 = 4
So 264195-72-4 is a valid CAS Registry Number.

264195-72-4Relevant articles and documents

Reactions of Cyanothioacetamide Derivatives with 2-Hydrazinothiazol-4(5H)-one: Synthesis, Cyclization and Biological Evaluation of Several New Annelated Pyran, Thiazole, 1,2,4-Triazole and 1,2,4-Triazine Derivatives

Eldin, Sanaa M.

, p. 1589 - 1597 (1999)

The thiocarboxamidocinnamonitriles (2) reacted with 2-hydrazinothiazol-4(5H)-one (3) to afford the corresponding pyrano[2,3-d]thiazoles (6). Compounds 6 were used for the synthesis of several new annelated pyran, thiazole, 1,2,4-triazole and 1,2,4-triazine derivatives via their reactions with chloroacetic acid, ethyl chloroformate, diethyl oxalate and acetylacetone. Structures were established based on elemental and spectral data studies. Some of the newly synthesized heterocyclic derivatives were tested for their antimicrobial activity.

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