143364-59-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143364-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,3,6 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 143364-59:
(8*1)+(7*4)+(6*3)+(5*3)+(4*6)+(3*4)+(2*5)+(1*9)=124
124 % 10 = 4
So 143364-59-4 is a valid CAS Registry Number.
143364-59-4Relevant articles and documents
STUDIES DIRECTED TOWARDS NOVEL PENEM ANTIBACTERIALS
Phillips, J. G.,Chu, D.,Spanton, S.,Henry, R.,Plattner, J. J.
, p. 3733 - 3736 (2007/10/02)
The reaction of 2-thioxopenam esters with hydroxylamine-O-sulfonic acid leads to stable 2-sulfeneamide penem esters that do not cyclize to give the corresponding isothiazolinones.