130837-49-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130837-49-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,8,3 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 130837-49:
(8*1)+(7*3)+(6*0)+(5*8)+(4*3)+(3*7)+(2*4)+(1*9)=119
119 % 10 = 9
So 130837-49-9 is a valid CAS Registry Number.
130837-49-9Relevant articles and documents
SYNTHESIS OF SUBSTITUTED CYCLOBUTENEDIONES BY THE PALLADIUM CATALYZED CROSS-COUPLING OF HALOCYCLOBUTENEDIONES WITH ORGANOSTANNANES
Liebeskind, Lanny S.,Wang, Jianying
, p. 4293 - 4296 (2007/10/02)
Halo-substituted cyclobutenediones undergo palladium catalyzed cross-coupling with organostannanes providing a mild method for the synthesis of substituted cyclobutenediones.