98128-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98128-97-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,2 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 98128-97:
(7*9)+(6*8)+(5*1)+(4*2)+(3*8)+(2*9)+(1*7)=173
173 % 10 = 3
So 98128-97-3 is a valid CAS Registry Number.
98128-97-3Relevant articles and documents
Epalons: 6-substituted derivatives of 7-norepiallopregnanolone
Kasal, Alexander
, p. 3559 - 3565 (2007/10/03)
The target compounds (3α-hydroxy-5,6-epoxy-7-nor-5α-pregnan-20-one, 3α-hydroxy-5,6β-epoxy-7-nor-5β-pregnan-20-one and 3α-hydroxy-7-nor-5α- pregnane-6,20-dione) were prepared from 5,6β-dihydroxy-20-oxo-5α-pregnan- 3β-yl acetate via the corresponding 5,6-se
