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[1-((2R,3R,4R,5S)-3,4,5-Trihydroxy-2-hydroxymethyl-piperidin-1-ylmethyl)-vinyl]-phosphonic acid diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

165805-33-4

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165805-33-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 165805-33-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,5,8,0 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 165805-33:
(8*1)+(7*6)+(6*5)+(5*8)+(4*0)+(3*5)+(2*3)+(1*3)=144
144 % 10 = 4
So 165805-33-4 is a valid CAS Registry Number.

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