127943-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127943-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,9,4 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 127943-89:
(8*1)+(7*2)+(6*7)+(5*9)+(4*4)+(3*3)+(2*8)+(1*9)=159
159 % 10 = 9
So 127943-89-9 is a valid CAS Registry Number.
127943-89-9Relevant articles and documents
SYNTHESIS OF UNSATURATED HYDROXY ACIDS BY THE COBALT CARBONYL AND PHASE TRANSFER CATALYZED CARBONYLATION OF VINYL EPOXIDES
Alper, Howard,Calet, Serge
, p. 1763 - 1766 (2007/10/02)
Phase transfer catalyzed reaction of vinyl epoxides with carbon monoxide, methyl iodide, catalytic amounts of cobalt carbonyl and TDA-1, affords β-hydroxy acids.High regioselectivity was observed in some cases.
