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4-chloro-5,6,7,8-tetrahydrobenzo[1,2-b]pyrimidino[5,4-d]selenophene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1380809-63-1

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1380809-63-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1380809-63-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,0,8,0 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1380809-63:
(9*1)+(8*3)+(7*8)+(6*0)+(5*8)+(4*0)+(3*9)+(2*6)+(1*3)=171
171 % 10 = 1
So 1380809-63-1 is a valid CAS Registry Number.

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