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207397-53-3

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207397-53-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 207397-53-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,3,9 and 7 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 207397-53:
(8*2)+(7*0)+(6*7)+(5*3)+(4*9)+(3*7)+(2*5)+(1*3)=143
143 % 10 = 3
So 207397-53-3 is a valid CAS Registry Number.

207397-53-3Relevant articles and documents

Efficient synthesis of novel polyfunctionalised 4,5′-bithiazol- 4′-ol derivatives

Arcadi, Antonio,Attanasi, Orazio A.,Filippone, Paolino,Perrulli, Francesca R.,Rossi, Elisabetta,Santeusanio, Stefania

, p. 2681 - 2684 (2007/10/03)

2-Thiazolin-4-one derivatives, obtained by reaction of tert-butyl (3-methoxy-1-methyl-3-oxoprop-1-enyl)diazenecarboxylate with aryl thioamides, were transformed into 5-bromoacetyl-4-hydroxythiazole derivatives by polymer-supported reagents and simple work-up procedures. The compounds thus synthesised were coupled with thioamides bearing valuable functional groups affording novel polyfunctionalised 4,5′-bithiazol-4′-ol derivatives.

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