131471-31-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131471-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,4,7 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131471-31:
(8*1)+(7*3)+(6*1)+(5*4)+(4*7)+(3*1)+(2*3)+(1*1)=93
93 % 10 = 3
So 131471-31-3 is a valid CAS Registry Number.
131471-31-3Relevant articles and documents
IMIDAZOLE DERIVATIVES. PART V. IMIDAZOPYRIDOPYRIDAZINE:SYNTHESIS,STRUCTURE,AND PRELIMINARY CHEMISTRY OF A NOVEL HETEROCYCLIC RING SYSTEM
Knoelker, Hans-Joachim,Boese, Roland,Hitzemann, Reiner
, p. 1435 - 1438 (2007/10/02)
Reaction of functionalized imidazopyridines with hydrazine hydrate to the novel imidazopyridopyridazine ring system is described