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844682-20-8

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844682-20-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 844682-20-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,4,6,8 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 844682-20:
(8*8)+(7*4)+(6*4)+(5*6)+(4*8)+(3*2)+(2*2)+(1*0)=188
188 % 10 = 8
So 844682-20-8 is a valid CAS Registry Number.

844682-20-8Relevant articles and documents

Synthesis of chalcones, pyrazolines, amino pyrimidines and pyrimidinethiones as antibacterial agents

Solankee, Anjani,Patel, Jayesh

, p. 1580 - 1584 (2007/10/03)

2-Phenylamino-4-(3′-fluorophenylamino)-6-(4′-acetylphenyl- amino)-s-triazine 5 on treatment with aromatic aldehydes yields chalcones 6a-f, which on cyclization with hydrazine hydrate, guanidine nitrate and thiourea give the corresponding pyrazolines 7a-f,

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