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87171-57-1

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87171-57-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87171-57-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,1,7 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 87171-57:
(7*8)+(6*7)+(5*1)+(4*7)+(3*1)+(2*5)+(1*7)=151
151 % 10 = 1
So 87171-57-1 is a valid CAS Registry Number.

87171-57-1Downstream Products

87171-57-1Relevant articles and documents

CHARACTERIZATION OF METHYL GLYCOSIDES AT THE PICO- TO NANO-GRAM LEVEL

Golik, Jerzy,Liu, Hung-Wen,Dinovi, Michael,Furukawa, Jun,Nakanishi, Koji

, p. 135 - 146 (2007/10/02)

We describe a general method that permits characterization of 100-pg to 1-ng quantities of sugars.Thus, oligosaccharides are subjected to methanolysis, followed by per-p-bromobenzoylation or pernaphthoylation, and the methyl glycoside peresters are separated by high-pressure liquid chromatography.The method is also applicable to amino and acetamido sugars.If required, the separated sugar derivatives may be unequivocally identified by the characteristic quasi-M+ peaks of bromobenzoates and extrema of excitation-split circular-dichroism (c.d.) curves.Furthermore, as the c.d. extrema of polybenzoates are predictable from extrema of component dibenzoate units, the c.d. data yield information on the unknown spatial disposition of -OH, -NH2, and -NHAc groups of glycopyranoses.Application of the method is demonstrated with viridopentaose C, a pentasaccharide obtained from the antibiotic sporaviridin.

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