131447-61-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131447-61-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,4,4 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131447-61:
(8*1)+(7*3)+(6*1)+(5*4)+(4*4)+(3*7)+(2*6)+(1*1)=105
105 % 10 = 5
So 131447-61-5 is a valid CAS Registry Number.
131447-61-5Relevant articles and documents
CONDENSATION OF DIMEDONE N-METHYLIMINE WITH ISOPROPYLIDENE ARYLIDENEMALONATES
Strozhev, M. F.,Lielbriedis, I. E.,Neiland, O. Ya.
, p. 655 - 657 (2007/10/02)
Condensation of dimedone N-methylimine with isopropylidene arylidenemalonates has given 4-aryl-1,7,7-trimethyloctahydroquinoline-2,5-diones, characterized by their IR, UV, and PMR spectra.
