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1,6,7,8-tetrahydro-1-methyl-4H-imidazo<1,2-a>pyrazolo<3,4-d>pyrimidin-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

121583-90-2

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121583-90-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121583-90-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,5,8 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 121583-90:
(8*1)+(7*2)+(6*1)+(5*5)+(4*8)+(3*3)+(2*9)+(1*0)=112
112 % 10 = 2
So 121583-90-2 is a valid CAS Registry Number.

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