94040-39-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94040-39-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,0,4 and 0 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 94040-39:
(7*9)+(6*4)+(5*0)+(4*4)+(3*0)+(2*3)+(1*9)=118
118 % 10 = 8
So 94040-39-8 is a valid CAS Registry Number.
94040-39-8Relevant articles and documents
A Novel Construction of the c Ring of an Aromatic Steroid: New Syntheses of Equilenin and Isoequilenin
Narasimhan, Nurani S.,Bapat, Chintamani P.
, p. 1435 - 1439 (2007/10/02)
A new approach for the construction of the c ring of an aromatic steroid, utilising the Diels-Alder reaction, is described.It has been used to synthesise equilenin and isoequilenin.
