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[3-amino-4-(4-chlorophenyl)-6-phenylthieno[2,3-b]pyridin-2-yl](4-methylphenyl)methanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

340691-18-1

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340691-18-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 340691-18-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,0,6,9 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 340691-18:
(8*3)+(7*4)+(6*0)+(5*6)+(4*9)+(3*1)+(2*1)+(1*8)=131
131 % 10 = 1
So 340691-18-1 is a valid CAS Registry Number.

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