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(5Z,8Z,11Z,14Z)-16-((2S,3R)-3-Ethyl-oxiranyl)-hexadeca-5,8,11,14-tetraenoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

421593-73-9

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421593-73-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 421593-73-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,1,5,9 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 421593-73:
(8*4)+(7*2)+(6*1)+(5*5)+(4*9)+(3*3)+(2*7)+(1*3)=139
139 % 10 = 9
So 421593-73-9 is a valid CAS Registry Number.

421593-73-9Upstream product

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