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74043-34-8

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74043-34-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74043-34-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,0,4 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74043-34:
(7*7)+(6*4)+(5*0)+(4*4)+(3*3)+(2*3)+(1*4)=108
108 % 10 = 8
So 74043-34-8 is a valid CAS Registry Number.

74043-34-8Downstream Products

74043-34-8Relevant articles and documents

REGIOSELECTIVE PHENYLCARBAMOYLATION OF PURINE AND PYRIMIDINE RIBONUCLEOSIDES THROUGH DIBUTYLTIN OXIDE AND TERTIARY AMINE-PHENYL ISOCYANATE SYSTEMS

Hirao, Ichiro,Itoh, Kiyotaka,Nishino, Shigeyoshi,Araki, Younosuke,Ishido, Yoshiharu

, p. 159 - 172 (2007/10/02)

Regioselective phenylcarbamoylation of ribonucleosides through the use of (Bu2SnO)n-PhNCO systems was revealed to have substantially the same tendency as observed in the reaction through (Bu3Sn)2O-PhNCO, giving the corresponding 3'-phenylcarbamates prefer

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