89376-69-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89376-69-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,3,7 and 6 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89376-69:
(7*8)+(6*9)+(5*3)+(4*7)+(3*6)+(2*6)+(1*9)=192
192 % 10 = 2
So 89376-69-2 is a valid CAS Registry Number.
89376-69-2Relevant articles and documents
Synthesis of 1,11α-ethano corticosteroids
Wieland,Kalvoda
, p. 5603 - 5606 (1983)
11α-Formyl-methyl derivative 5 of prednisolone has been reductively cyclized to give the versatile pentacyclic intermediates 7 and 9 of novel 1,11α-ethano-bridged corticosteroid analogues.