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3-Thiophenecarboxylic acid, 5-methyl-, ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

19163-50-9

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19163-50-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19163-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,1,6 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 19163-50:
(7*1)+(6*9)+(5*1)+(4*6)+(3*3)+(2*5)+(1*0)=109
109 % 10 = 9
So 19163-50-9 is a valid CAS Registry Number.
InChI:InChI=1/C8H10O2S/c1-3-10-8(9)7-4-6(2)11-5-7/h4-5H,3H2,1-2H3

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