126256-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126256-55-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,2,5 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 126256-55:
(8*1)+(7*2)+(6*6)+(5*2)+(4*5)+(3*6)+(2*5)+(1*5)=121
121 % 10 = 1
So 126256-55-1 is a valid CAS Registry Number.
126256-55-1Relevant articles and documents
Dimroth Rearrangement of Imines Derived from 1,5-Diaminotetrazole
Moderhack, Dietrich,Goos, Karl-Heinz,Preu, Lutz
, p. 1575 - 1577 (2007/10/02)
Heating the imines 1 in dimethyl sulfoxide (or partly in xylene) provides hydrazones such as 2.The reaction is greatly favoured by electron-withdrawing groups attached to the imine carbon atom.
