120256-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120256-05-5 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 5 respectively.
Calculate Digit Verification of CAS Registry Number 120256-05:
(8*1)+(7*2)+(6*0)+(5*2)+(4*5)+(3*6)+(2*0)+(1*5)=75
75 % 10 = 5
So 120256-05-5 is a valid CAS Registry Number.
120256-05-5Relevant 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.