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Acetic acid (2S,3R,4S,5R,6R)-6-(tert-butyl-diphenyl-silanyloxymethyl)-2-[2-(2,5-dioxo-pyrrolidin-1-yl)-ethylsulfanyl]-5-(1-ethoxy-ethoxy)-4-propoxy-tetrahydro-pyran-3-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

217642-69-8

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217642-69-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 217642-69-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,6,4 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 217642-69:
(8*2)+(7*1)+(6*7)+(5*6)+(4*4)+(3*2)+(2*6)+(1*9)=138
138 % 10 = 8
So 217642-69-8 is a valid CAS Registry Number.

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