Cas 75898-02-1,(CH3)(C6H5)C3N2(OH)C(O)C6H5

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Check Digit Verification of cas no

The CAS Registry Mumber 75898-02-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,8,9 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 75898-02:
(7*7)+(6*5)+(5*8)+(4*9)+(3*8)+(2*0)+(1*2)=181
181 % 10 = 1
So 75898-02-1 is a valid CAS Registry Number.

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75898-02-1Relevant academic research and scientific papers

Regioselective synthesis of 1,3,5- and 1,3,4,5-substituted pyrazoles via acylation of N-Boc-N-substituted hydrazones

Tinarelli, Alessandro,Righi, Paolo,Rosini, Goffredo,Andreotti, Daniele,Profeta, Roberto,Spada, Simone

experimental part, p. 612 - 617 (2011/03/19)

Acylation of N-Boc-N-methylhydrazones followed by TFA treatment affords regioselective access to substituted pyrazoles. Both regioisomers of 1-methyl-3,5-disubstituted-1H-pyrazoles can be selectively obtained. This procedure can also be employed for the r

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