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(1S,2S)-1-Allyl-2-azido-cyclopentanecarboxylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

289665-68-5

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289665-68-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 289665-68-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,6,6 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 289665-68:
(8*2)+(7*8)+(6*9)+(5*6)+(4*6)+(3*5)+(2*6)+(1*8)=215
215 % 10 = 5
So 289665-68-5 is a valid CAS Registry Number.

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