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1608493-80-6

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1608493-80-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1608493-80-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,8,4,9 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1608493-80:
(9*1)+(8*6)+(7*0)+(6*8)+(5*4)+(4*9)+(3*3)+(2*8)+(1*0)=186
186 % 10 = 6
So 1608493-80-6 is a valid CAS Registry Number.

1608493-80-6Downstream Products

1608493-80-6Relevant articles and documents

Regioselective synthesis of 4-nitro- or 4-chloro-tetrasubstituted pyrazoles from hydrazones and β-halo-β-nitrostyrenes

Deng, Xiaohu,Liang, Jimmy T.,Mani, Neelakandha S.

, p. 410 - 417 (2014/01/23)

We report an acid-catalyzed cycloaddition reaction of hydrazones with β-bromo- or β-chloro-β-nitrostyrenes for the regioselective synthesis of 4-nitro- or 4-chloro-tetrasubstituted pyrazoles. Arising from a common 4-halo-4-nitropyrazolidine intermediate,

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