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128188-58-9

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128188-58-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128188-58-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,8 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 128188-58:
(8*1)+(7*2)+(6*8)+(5*1)+(4*8)+(3*8)+(2*5)+(1*8)=149
149 % 10 = 9
So 128188-58-9 is a valid CAS Registry Number.

128188-58-9Upstream product

128188-58-9Relevant articles and documents

1H-pyrazole-1-alkanamines antiarrhythmic compositions and use

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, (2008/06/13)

N-[alkylamino)alkyl]-3,4(or 4,5)-diaryl-1H-pyrazole-1-(branched)alkanamides and pyrazole-1-alkanamines useful for treating cardiac arrhythmias in mammals, are prepared by reacting a lower-alkyl ester of pyrazole-1-acetic acid with an appropriate diamine followed by reduction or by reacting the anion of a lower-alkyl ester of a pyrazole-1-acetic acid with an alkylating agent followed by displacement of the ester by an appropriate amine.

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