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1,4-dimethyl-4,5-dihydro-1H-pyrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

10289-77-7

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10289-77-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 10289-77-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,2,8 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 10289-77:
(7*1)+(6*0)+(5*2)+(4*8)+(3*9)+(2*7)+(1*7)=97
97 % 10 = 7
So 10289-77-7 is a valid CAS Registry Number.

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