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(2R,3R,6R,7R)-3-tert-butyldimethylsilyloxy-2-(tert-butyldimethylsilyloxymethyl)-7-ethyl-8-oxo-1-azabicyclo[4.2.0]octane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

216860-93-4

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216860-93-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 216860-93-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,8,6 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 216860-93:
(8*2)+(7*1)+(6*6)+(5*8)+(4*6)+(3*0)+(2*9)+(1*3)=144
144 % 10 = 4
So 216860-93-4 is a valid CAS Registry Number.

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