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2-(2-oxo-2-phenyl-ethylsulfanyl)-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

52881-15-9

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52881-15-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52881-15-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,8,8 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 52881-15:
(7*5)+(6*2)+(5*8)+(4*8)+(3*1)+(2*1)+(1*5)=129
129 % 10 = 9
So 52881-15-9 is a valid CAS Registry Number.

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