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5677-25-8

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5677-25-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5677-25-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,7 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5677-25:
(6*5)+(5*6)+(4*7)+(3*7)+(2*2)+(1*5)=118
118 % 10 = 8
So 5677-25-8 is a valid CAS Registry Number.

5677-25-8Relevant articles and documents

RING TRANSFORMATIONS OF OXAZOLES AND THEIR BENZO ANALOGUES. NEW SYNTHETIC ROUTE FOR 2H-IMIDAZOTHIADIAZINE AND N-HETEROARYL-o-AMINOPHENOL

Sasaki, Tadashi,Ito, Eikoh,Shimizu, Ikuo

, p. 2119 - 2129 (2007/10/02)

Ring transformations of certain functionalized oxazoles and their benzo analogues were studied.The α-(oxazol-2-ylthio) ketones 3a, b, c, and e gave 2H-imidazothiadiazines (4a, b, c, and e) on treatment with hydrazine hydrate in acetic acid.S

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