86509-50-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86509-50-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,5,0 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 86509-50:
(7*8)+(6*6)+(5*5)+(4*0)+(3*9)+(2*5)+(1*0)=154
154 % 10 = 4
So 86509-50-4 is a valid CAS Registry Number.
86509-50-4Relevant articles and documents
SYNTHESIS OF CARBAPENEM-3-PHOSPHONIC ACID DERIVATIVES
Mak, Ching-Pong,Mayerl, Christa,Fliri, Hans
, p. 347 - 350 (2007/10/02)
The synthesis of 6-(1-hydroxyethyl)-2-oxocarbapenem-3-phosphonic acid derivatives, starting from 3-iodomethyl-2-oxoazetidine is described.