39503-21-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39503-21-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,5,0 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 39503-21:
(7*3)+(6*9)+(5*5)+(4*0)+(3*3)+(2*2)+(1*1)=114
114 % 10 = 4
So 39503-21-4 is a valid CAS Registry Number.
39503-21-4Relevant articles and documents
Syntheses of differanisole A
Green, Richard H.
, p. 4697 - 4700 (2007/10/03)
Differanisole A has been synthesized by two routes.