177212-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 177212-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,2,1 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 177212-52:
(8*1)+(7*7)+(6*7)+(5*2)+(4*1)+(3*2)+(2*5)+(1*2)=131
131 % 10 = 1
So 177212-52-1 is a valid CAS Registry Number.
177212-52-1Relevant articles and documents
A novel synthesis of 3-aryl-5-tert-butyl-4-oxazolin-2-ones
Kudo, Noriaki,Taniguchi, Misa,Sato, Kazuo
, p. 699 - 702 (2007/10/03)
An efficient synthetic method for 3-aryl-5-tert-butyl-4-oxazolin-2-ones (6) is described. The reaction of ethyl N-arylcarbamates (10) with 1-bromo- 3,3-dimethyl-2-butanone (9a) or 1-bromo-3-ethyl-3-methyl-2-pentanone (9b) using 2.2 eq of lithium his(trime
