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benzyl-4 oxo-5 dihydro-4,5 pyrrolo<1,2-a>thieno<2,3-e>pyrazine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87987-69-7

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87987-69-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87987-69-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,8 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 87987-69:
(7*8)+(6*7)+(5*9)+(4*8)+(3*7)+(2*6)+(1*9)=217
217 % 10 = 7
So 87987-69-7 is a valid CAS Registry Number.

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