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5-ethyl-5-oxy-5,6-dihydro-4H-thieno[2,3-c]pyrrole-2-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

14756-69-5

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14756-69-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 14756-69-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,7,5 and 6 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 14756-69:
(7*1)+(6*4)+(5*7)+(4*5)+(3*6)+(2*6)+(1*9)=125
125 % 10 = 5
So 14756-69-5 is a valid CAS Registry Number.

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