126554-96-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126554-96-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,5,5 and 4 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 126554-96:
(8*1)+(7*2)+(6*6)+(5*5)+(4*5)+(3*4)+(2*9)+(1*6)=139
139 % 10 = 9
So 126554-96-9 is a valid CAS Registry Number.
126554-96-9Relevant articles and documents
The Oxidative-Rearrangement of 1-Amino-2-indolinones. A Synthesis of 2-Substituted-3(2H)-cinnolinones.
Zey, R.L.,Richter, G.,Randa, H.
, p. 1437 - 1439 (2007/10/02)
Several 2-substituted-3(2H)-cinnolinones have been synthesized by a ring expansion of the respective 1-substituted-2-indolinones via an oxidative-rearrangement with t-butyl hypochlorite.
