64219-23-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64219-23-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,2,1 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 64219-23:
(7*6)+(6*4)+(5*2)+(4*1)+(3*9)+(2*2)+(1*3)=114
114 % 10 = 4
So 64219-23-4 is a valid CAS Registry Number.
64219-23-4Relevant academic research and scientific papers
Back, Thomas G.,Hu, Nan-Xing
, p. 337 - 348 (1993)
The first synthesis of antibiotic A25822 B, a 15-aza-D-homosterol that displays powerful antifungal activity, was achieved from epiandrosterone.
