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ethyl 2-[(2-chlorobenzoyl)amino]-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

312949-43-2

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312949-43-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 312949-43-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,2,9,4 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 312949-43:
(8*3)+(7*1)+(6*2)+(5*9)+(4*4)+(3*9)+(2*4)+(1*3)=142
142 % 10 = 2
So 312949-43-2 is a valid CAS Registry Number.

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