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189218-66-4

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189218-66-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189218-66-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,2,1 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 189218-66:
(8*1)+(7*8)+(6*9)+(5*2)+(4*1)+(3*8)+(2*6)+(1*6)=174
174 % 10 = 4
So 189218-66-4 is a valid CAS Registry Number.

189218-66-4Downstream Products

189218-66-4Relevant articles and documents

Studies toward lipid A: Synthesis of differentially protected disaccharide fragments

Griffiths, Sian L.,Madsen, Robert,Fraser-Reid, Bert

, p. 3654 - 3658 (2007/10/03)

Disaccharides containing two glucosamine units are readily synthesized where the two amine functionalities are orthogonally protected as the tetrachlorophthaloyl and pent-4-enoyl moieties. The 1→6 linked disaccharide has the potential to be developed toward a series of biologically interesting lipid A analogs.

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