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(1R,2R,3S,5R,6R)-2-(tert-butoxycarbonylamino)-6-fluoro-3-{[(trifluoromethyl)sulfonyl]oxy}bicyclo[3.1.0]hexane-2,6-dicarboxylic acid diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

820244-65-3

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820244-65-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 820244-65-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,2,0,2,4 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 820244-65:
(8*8)+(7*2)+(6*0)+(5*2)+(4*4)+(3*4)+(2*6)+(1*5)=133
133 % 10 = 3
So 820244-65-3 is a valid CAS Registry Number.

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