651-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 651-77-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,5 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 651-77:
(5*6)+(4*5)+(3*1)+(2*7)+(1*7)=74
74 % 10 = 4
So 651-77-4 is a valid CAS Registry Number.
651-77-4Relevant academic research and scientific papers
Nicotinamide compound as well as preparation method and application thereof
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Paragraph 0063-0065, (2018/03/01)
The invention provides a nicotinamide compound of which the structural formula is as shown in the specification, in the formula, R1 and R2 are one of F, Cl, Br, I, methyl, tertiary butyl, trifluoromethyl, halogenated alkyl, hydroxyl, nitryl, amino, cyan,