74629-74-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74629-74-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,2 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74629-74:
(7*7)+(6*4)+(5*6)+(4*2)+(3*9)+(2*7)+(1*4)=156
156 % 10 = 6
So 74629-74-6 is a valid CAS Registry Number.
74629-74-6Relevant articles and documents
A STEREOSELECTIVE SYNTHESIS OF dl-3-EPIULEINE
Natsume, Mitsutaka,Kitagawa, Yoshinori
, p. 839 - 840 (1980)
A stereoselective synthesis of an indole alkaloid, 3-epiuleine, in racemic form is described.The key step involved is the ethylation of readily accessible compound 5 with Et2CuLi