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(5R,8R)-2,4-Dioxo-1,3,7-triaza-spiro[4.4]nonane-8-carboxylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

188966-63-4

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188966-63-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188966-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,9,6 and 6 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 188966-63:
(8*1)+(7*8)+(6*8)+(5*9)+(4*6)+(3*6)+(2*6)+(1*3)=214
214 % 10 = 4
So 188966-63-4 is a valid CAS Registry Number.

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