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313220-19-8

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313220-19-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 313220-19-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,2,2 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 313220-19:
(8*3)+(7*1)+(6*3)+(5*2)+(4*2)+(3*0)+(2*1)+(1*9)=78
78 % 10 = 8
So 313220-19-8 is a valid CAS Registry Number.

313220-19-8Relevant articles and documents

A facile synthesis of the tetrasaccharide repeating unit of mannoglucan from Microellobosporia grisea

Zhu, Yuliang,Kong, Fanzuo

, p. 199 - 205 (2007/10/03)

A facile synthesis of the tetrasaccharide repeating unit of mannoglucan from Microellobosporia grisea was achieved through coupling of 4,6-O-benzylidene-1,2-O-ethylidene-α-D-glucopyranose with per-O-benzoylated mannopyranosyl trichloroacetimidate, followed by debenzylidenation, selective 6-O-mannopyranosylation, then hydrolysis of the 1,2-O-ethylidene group, 1,2-O-acetylation and conversion to the 1-trichloroacetimidate, and subsequent condensation of the activated trisaccharide with allyl 2,3,6-tri-O-benzoyl-α-D-glucopyranoside. (C) 2000 Elsevier Science Ltd.

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