77826-01-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77826-01-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,2 and 6 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77826-01:
(7*7)+(6*7)+(5*8)+(4*2)+(3*6)+(2*0)+(1*1)=158
158 % 10 = 8
So 77826-01-8 is a valid CAS Registry Number.
77826-01-8Relevant articles and documents
Facile, High-Yield Synthesis of Spiro C-17 Steroidal Oxetan-3'-ones
Pons, Michel,Simons, S. Stoney
, p. 3262 - 3264 (1981)
The facile, high-yield conversion of C-17 α-keto mesylates of glucocorticoids to spiro C-17 oxetan-3'-ones is described.This reaction, involving treatment with strong base (KOH, NaOMe, or KO-t-Bu) in EtOH or THF, represents a major improvement for the pre
