4244-18-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4244-18-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,4 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4244-18:
(6*4)+(5*2)+(4*4)+(3*4)+(2*1)+(1*8)=72
72 % 10 = 2
So 4244-18-2 is a valid CAS Registry Number.
4244-18-2Relevant 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.
