82952-61-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82952-61-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,9,5 and 2 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 82952-61:
(7*8)+(6*2)+(5*9)+(4*5)+(3*2)+(2*6)+(1*1)=152
152 % 10 = 2
So 82952-61-2 is a valid CAS Registry Number.
82952-61-2Relevant articles and documents
Studies on β-Lactams: Synthesis of Some Steroid-type Di-β-lactams
Sharma, S. D.,Gupta, Sangita,Mehra, Usha
, p. 204 - 207 (2007/10/02)
Schiff bases (1) on reaction with phenoxyacetyl chloride yield the β-lactam esters (2) which on further hydrolysis under mild basic conditions afford α-(2-oxo-1-azetidino)acetic acids (3).Reaction of the imines (4) with 3 using POCl3 and triethylamine fur