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5-chloro-4-chloromethyl-4-methyl-pent-1-yne is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

502926-56-9

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502926-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 502926-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,9,2 and 6 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 502926-56:
(8*5)+(7*0)+(6*2)+(5*9)+(4*2)+(3*6)+(2*5)+(1*6)=139
139 % 10 = 9
So 502926-56-9 is a valid CAS Registry Number.

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