30857-76-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30857-76-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,8,5 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 30857-76:
(7*3)+(6*0)+(5*8)+(4*5)+(3*7)+(2*7)+(1*6)=122
122 % 10 = 2
So 30857-76-2 is a valid CAS Registry Number.
30857-76-2Relevant articles and documents
Free radical cyclizations leading to four-membered rings. I. Betalactam production using tributyltin hydride
Fremont, Susan L.,Belletire, John L.,Ho, Douglas M.
, p. 2335 - 2338 (1991)
Use of HSnBu3 for the reductive cyclization of suitable enamides having a bromide substituent alpha to the carbonyl group affords beta-lactams in good yields.
