22304-34-3 Usage
Uses
Progestin.
Check Digit Verification of cas no
The CAS Registry Mumber 22304-34-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,3,0 and 4 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22304-34:
(7*2)+(6*2)+(5*3)+(4*0)+(3*4)+(2*3)+(1*4)=63
63 % 10 = 3
So 22304-34-3 is a valid CAS Registry Number.
22304-34-3Relevant articles and documents
Further syntheses of cyproterone acetate
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Page/Page column 18, (2010/02/07)
The present invention relates to improved methods for synthesising cyproterone acetate (17α-Acetoxy-6-chloro-1α, 2α-methylene-4,6-pregnadiene-3,20-dione) from solasodine. The methods of the invention are shorter as those of the prior art and therefore more economic.