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1-methyl-1,5,6,7-tetrahydro-4H-pyrazolo[4,3-c]pyridin-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1257403-86-3

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1257403-86-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1257403-86-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,4,0 and 3 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1257403-86:
(9*1)+(8*2)+(7*5)+(6*7)+(5*4)+(4*0)+(3*3)+(2*8)+(1*6)=153
153 % 10 = 3
So 1257403-86-3 is a valid CAS Registry Number.

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