1133216-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1133216-85-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,3,2,1 and 6 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1133216-85:
(9*1)+(8*1)+(7*3)+(6*3)+(5*2)+(4*1)+(3*6)+(2*8)+(1*5)=109
109 % 10 = 9
So 1133216-85-9 is a valid CAS Registry Number.
1133216-85-9Relevant academic research and scientific papers
Krivoshei,Shishkina,Vashchenko,Shishkin
, p. 2506 - 2509 (2007)
Reaction of enolate carbanion, generated from 2-(4-bromobenzylidene)-p- menthan-3-one, with ethyl bromoacetate proceeds selectively as the O-alkylation.