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ethyl (4R,5S)-5-(2-iodoethyl)-2,2-dimethyl-1,3-dioxolane-4-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

501648-81-3

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501648-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 501648-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,6,4 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 501648-81:
(8*5)+(7*0)+(6*1)+(5*6)+(4*4)+(3*8)+(2*8)+(1*1)=133
133 % 10 = 3
So 501648-81-3 is a valid CAS Registry Number.

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