120256-04-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120256-04-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,2,5 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 120256-04:
(8*1)+(7*2)+(6*0)+(5*2)+(4*5)+(3*6)+(2*0)+(1*4)=74
74 % 10 = 4
So 120256-04-4 is a valid CAS Registry Number.
120256-04-4Relevant articles and documents
Synthesis of Substituted Pyrroles from Ketones
Chelucci, Giorgio,Marchetti, Mauro
, p. 1135 - 1137 (2007/10/02)
A number of substituted pyrroles have been prepared through a four step reaction sequence based on the regiospecific alkylation of N,N-dimethylhydrazones with 2-iodomethyl-1,3-dioxolane.
