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139293-33-7

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139293-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139293-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,9 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 139293-33:
(8*1)+(7*3)+(6*9)+(5*2)+(4*9)+(3*3)+(2*3)+(1*3)=147
147 % 10 = 7
So 139293-33-7 is a valid CAS Registry Number.

139293-33-7Relevant articles and documents

Synthesis of β-O-glycosides using enol ether and imidate derived leaving groups. Emphasis on the use of nitriles as a solvent

Vankar,Vankar,Behrendt,Schmidt

, p. 9985 - 9992 (2007/10/02)

Two new methods of β-glycoside synthesis using donors 2 and 3 that contain leaving groups derived from enol ether and imidates have been developed. Effect of nitriles as a solvent in directing mainly β-glycosidations has been compared with various methods

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