124222-34-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 124222-34-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,2,2 and 2 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 124222-34:
(8*1)+(7*2)+(6*4)+(5*2)+(4*2)+(3*2)+(2*3)+(1*4)=80
80 % 10 = 0
So 124222-34-0 is a valid CAS Registry Number.
124222-34-0Relevant articles and documents
New Azetidinone Building Block for Carbapenems
Khasanova,Valiullina,Galeeva,Egorov,Gimalova
, p. 377 - 380 (2019)
A new versatile building block for the synthesis of carbapenems, (3S,4R)-3-{(R)-1-[tert-butyl-(dimethyl)silyloxy]ethyl}-4-[(2RS)-5-(4-methoxybenzyloxy)pent-3-yn-2-yl]azetidin-2-one, has been obtained by zinc-promoted alkylation of (3R,4R)-(+)-3-{(R)-1-[te
