1424-72-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1424-72-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,2 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1424-72:
(6*1)+(5*4)+(4*2)+(3*4)+(2*7)+(1*2)=62
62 % 10 = 2
So 1424-72-2 is a valid CAS Registry Number.
1424-72-2Relevant articles and documents
Synthesis of gon-4-enes
-
, (2008/06/13)
1. A therapeutic composition having progestational activity comprising as active ingredient a 17-aliphatic carboxylic acid ester of 17α-ethynyl-18-methyl-19-nortestosterone and a pharmaceutical carrier for said compound.