77050-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77050-58-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,0,5 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77050-58:
(7*7)+(6*7)+(5*0)+(4*5)+(3*0)+(2*5)+(1*8)=129
129 % 10 = 9
So 77050-58-9 is a valid CAS Registry Number.
77050-58-9Relevant articles and documents
SYNTHESIS OF 3,4-, 4,5- AND 5,6-UNSATURATED 19-SUBSTITUTED CHOLESTANE DERIVATIVES AND RELATED EPOXIDES
Kocovsky, Pavel
, p. 3008 - 3022 (2007/10/02)
Starting from the 5,6-unsaturated compound X, 19-hydroxy-, 19-methoxy- and 19-acetoxy derivatives with the double bond in positions 5,6- (XIV-XVI), 4,5- (XXI-XXIII) and 3,4- (XXX, XXXIII, XXXIV) were prepared by stepwise transposition of the 5,6-double bo
