122426-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 122426-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,4,2 and 6 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 122426-44:
(8*1)+(7*2)+(6*2)+(5*4)+(4*2)+(3*6)+(2*4)+(1*4)=92
92 % 10 = 2
So 122426-44-2 is a valid CAS Registry Number.
122426-44-2Relevant articles and documents
SYNTHESIS OF 3,4-13C2 STEROIDS
Yuan, Sun-Shine
, p. 279 - 290 (2007/10/02)
A-ring enollactones 1a, 1b or 9 derived from 4-cholesten-3-one, testosterone benzoate or 3-oxo-4-estren-17β-yl benzoate were condensed with acetyl chloride to give intermediates 2a, 2b or 10. 2a and 2b were cyclized by acid or base to give 3,4-1
