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220869-82-9

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220869-82-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220869-82-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,8,6 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 220869-82:
(8*2)+(7*2)+(6*0)+(5*8)+(4*6)+(3*9)+(2*8)+(1*2)=139
139 % 10 = 9
So 220869-82-9 is a valid CAS Registry Number.

220869-82-9Relevant articles and documents

Stereocontrolled synthesis of novel phytosphingosine-type glucosaminocerebrosides

Murakami, Teiichi,Taguchi, Kazuhiro

, p. 989 - 1004 (2007/10/03)

D-ribo-Phytosphingosine 1 was conveniently synthesized from N-benzoyl- D-glucosamine 3 by an improved route in which regioselective O- methanesulfonation and diastereoselective Grignard addition are involved as key steps. Using a synthetic intermediate of 1, novel D-ribo- phytosphingosine-type glycolipids 2a and 2b, unnatural homologues of antifungal cerebrosides Halicylindrosides, were efficiently synthesized in a stereocontrolled manner.

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