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73978-83-3

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73978-83-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73978-83-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,9,7 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 73978-83:
(7*7)+(6*3)+(5*9)+(4*7)+(3*8)+(2*8)+(1*3)=183
183 % 10 = 3
So 73978-83-3 is a valid CAS Registry Number.

73978-83-3Relevant articles and documents

Nucleosides, XXXIII. Synthesis of 7-Oxo-8-β-D-ribofuranosyl-7,8-dihydrolumazine and its 6-Methyl Derivative

Ritzmann, Goetz,Ienaga, Kazuharu,Kiriasis, Leonidas

, p. 1535 - 1548 (2007/10/02)

The synthesis of 7-oxo-8-β-D-ribofuranosyl-7,8-dihydrolumazine (26) and its 6-methyl derivative (28) has been achieved by a ribosylation reaction of 2,4-bis(benzyloxy)- (18) and 2,4-bis(benzyloxy)-6-methyl-7-oxo-7,8-dihydropteridine (19), respectively, un

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