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(+)-(1S,3aS,7aS)-3a,4,7,7a-tetrahydro-1-(tert-butyldimethylsiloxy)-6-carbomethoxy-7a-ethyl-5-hydroxyindane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

220332-77-4

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220332-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220332-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,3,3 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 220332-77:
(8*2)+(7*2)+(6*0)+(5*3)+(4*3)+(3*2)+(2*7)+(1*7)=84
84 % 10 = 4
So 220332-77-4 is a valid CAS Registry Number.

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