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(3S,4R)-3-<(1R)-1-tert-butyldimethylsilyloxyethyl>-4-<<(2-fluoroethylthio)thiocarbonyl>thio>azetidin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

85905-08-4

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85905-08-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85905-08-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,9,0 and 5 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 85905-08:
(7*8)+(6*5)+(5*9)+(4*0)+(3*5)+(2*0)+(1*8)=154
154 % 10 = 4
So 85905-08-4 is a valid CAS Registry Number.

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