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3-(2-allyloxycarbonyl-ethyl)-5-[allyloxycarbonyl-(3-ethylidene-4-methyl-5-oxo-pyrrolidin-2-ylidene)-methyl]-4-methyl-1H-pyrrole-2-carboxylic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

215871-83-3

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215871-83-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 215871-83-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,8,7 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 215871-83:
(8*2)+(7*1)+(6*5)+(5*8)+(4*7)+(3*1)+(2*8)+(1*3)=143
143 % 10 = 3
So 215871-83-3 is a valid CAS Registry Number.

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