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102904-92-7

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102904-92-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 102904-92-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,9,0 and 4 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 102904-92:
(8*1)+(7*0)+(6*2)+(5*9)+(4*0)+(3*4)+(2*9)+(1*2)=97
97 % 10 = 7
So 102904-92-7 is a valid CAS Registry Number.

102904-92-7Upstream product

102904-92-7Downstream Products

102904-92-7Relevant articles and documents

SYNTHESIS OF STREPTOCOCCI PHOSPHATIDYL-α-DIGLUCOSYLDIGLYCERIDE AND RELATED GLYCOLIPIDS. APPLICATION OF THE TETRAISOPROPYLDISILOXANE-1,3-DIYL (TIPS) PROTECTING GROUP IN SUGAR CHEMISTRY. PART V

Boeckel, C. A. A. van,Boom, J. H. van

, p. 4567 - 4576 (2007/10/02)

A short and convenient synthesis of phosphatidyl-α-diglucosyldiglyceride (i. e. compound 8d) and two related Streptococci glycolipids (i. e. compounds 6a and 6b) will be presented. 4',6'-Tetraisopropyl-disiloxane-1,3-diyl (TIPS) protected α-glucosyl diglyceride (i. e. compound 2) turned out to be a suitable protected precursor.Thus, compound 2 was selectively condensed with glucosyl bromide 3 to afford 4.Removal of the protecting groups from 4 gave glycolipid 6a.The "dynamic" properties of the TIPS protecting group were utilized to convert 4',6'-TIPS protected 4 into 3',4'-TIPS protected derivative 5a.Compound 5a could then be condensed with either a stearoyl fatty acid or a phosphatidyl moiety to give the fully protected derivatives 5c and 8a, respectively.Finally, removal of all the protecting groups from 5c and 8a afforded the glycolipid 6b and glycophospholipid 8d, respectively.

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