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65645-24-1

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65645-24-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65645-24-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,6,4 and 5 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 65645-24:
(7*6)+(6*5)+(5*6)+(4*4)+(3*5)+(2*2)+(1*4)=141
141 % 10 = 1
So 65645-24-1 is a valid CAS Registry Number.

65645-24-1Relevant articles and documents

Condensed Heterocyclic Lactams. I. Study on the Cyclization Methods Resulting in 4-Aryl-3,4-dihydroquinolin-2(1H)-ones

Hazai, Laszlo,Deak, Gyula,Sohar, Pal,Toth, Gabor,Tamas, Jozsef

, p. 919 - 922 (2007/10/02)

Cyclization reactions with polyphosphoric acid of 3-aryl-3-hydroxypropionanilides carrying a p-nitro- 7a or p-amino substituent 10 on the C-3 phenyl group were investigated.In the case of p-nitro substitution the preferred reaction is, instead of cyclizat

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