1417728-47-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1417728-47-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,7,7,2 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1417728-47:
(9*1)+(8*4)+(7*1)+(6*7)+(5*7)+(4*2)+(3*8)+(2*4)+(1*7)=172
172 % 10 = 2
So 1417728-47-2 is a valid CAS Registry Number.
1417728-47-2Relevant articles and documents
Synthesis of quinazolin-4(3 H)-ones via amidine N-arylation
Li, Bryan,Samp, Lacey,Sagal, John,Hayward, Cheryl M.,Yang, Christine,Zhang, Zhijun
, p. 1273 - 1277 (2013/04/10)
Pyrido[4,3-d]pyrimidin-4(3H)-one (1) was prepared by reacting 2-trifluoromethyl-4-iodo-nicotinic acid (2) with amidine 9a catalyzed by Pd 2(dba)3 and Xantphos, followed by cyclization effected with HBTU and subsequent demethylation u
