70938-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70938-75-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,9,3 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 70938-75:
(7*7)+(6*0)+(5*9)+(4*3)+(3*8)+(2*7)+(1*5)=149
149 % 10 = 9
So 70938-75-9 is a valid CAS Registry Number.
70938-75-9Relevant articles and documents
TAUTOMERISM OF 2-(2,4-DINITROBENZYL)PYRIDINE
O'Ferrall, Rory A. More,Quirke, Anne P.
, p. 4885 - 4888 (2007/10/02)
The Equilibrium constans for imine-enamine and aci-nitro tautomerism of 2-(2,4-dinitrobenzyl)pyridine have been determined as 7.5E-9 and 3E-14 respectively.