70056-17-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70056-17-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,0,5 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 70056-17:
(7*7)+(6*0)+(5*0)+(4*5)+(3*6)+(2*1)+(1*7)=96
96 % 10 = 6
So 70056-17-6 is a valid CAS Registry Number.
70056-17-6Relevant academic research and scientific papers
An Improved Preparation of 2-Methylene- and 2,3-Dimethylenecephalosporins
Gunda, Tamas E.
, p. 311 - 312 (2007/10/02)
The one-step reductive cleavage and reduction of 3-acetoxymethyl-2-methylenecephalosporin sulphoxides provides easy access to 2,3-dimethylenecephems.