85580-22-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85580-22-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,5,8 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 85580-22:
(7*8)+(6*5)+(5*5)+(4*8)+(3*0)+(2*2)+(1*2)=149
149 % 10 = 9
So 85580-22-9 is a valid CAS Registry Number.
85580-22-9Relevant academic research and scientific papers
Kametani,Sekine,Honda
, p. 4545 - 4547 (1982)
The synthesis of benzhydryl esters of cephalosporin derivatives (4-6) and removal of the benzhydryl protecting group with formic acid are described.