250261-33-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 250261-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,2,6 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 250261-33:
(8*2)+(7*5)+(6*0)+(5*2)+(4*6)+(3*1)+(2*3)+(1*3)=97
97 % 10 = 7
So 250261-33-7 is a valid CAS Registry Number.
250261-33-7Relevant articles and documents
The dinitration of dimethylacetanilides
Medina, Inmaculada C. Rodriguez,Hanson, James R.
, p. 303 - 304 (2007/10/03)
The orientation of dinitration of the dimethylacetanilides has been examined by 1H NMR methods and a possible enhancement of the hyperconjugative influence of a methyl group has been considered as an additional factor augmenting the effect of the steric i