4126-24-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4126-24-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,2 and 6 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4126-24:
(6*4)+(5*1)+(4*2)+(3*6)+(2*2)+(1*4)=63
63 % 10 = 3
So 4126-24-3 is a valid CAS Registry Number.
4126-24-3Relevant articles and documents
Synthesis of gon-4-enes
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, (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.