5615-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5615-34-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,1 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 5615-34:
(6*5)+(5*6)+(4*1)+(3*5)+(2*3)+(1*4)=89
89 % 10 = 9
So 5615-34-9 is a valid CAS Registry Number.
5615-34-9Relevant articles and documents
STEROIDS .LIII. TRANSFORMATION OF 3β-ACETOXY-5α-ANDROSTAN-17-ONE INTO 17α- AND 17β-AMINO DERIVATIVES OF 5α-ANDROSTAN-3β-OL
Nadaraia, N. Sh.,Sladkov, V. I.,Kuleshova, L. N.,Suvorov, N. N.
, p. 481 - 485 (2007/10/02)
The epimeric 17α- and 17β-amino-5α-androstan-3β-ols were synthesized from 3β-acetoxy-5α-androstan-17-one.The configurations at the C17 atom were demonstrated by the 1H NMR method.
