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134136-50-8

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134136-50-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134136-50-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,1,3 and 6 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 134136-50:
(8*1)+(7*3)+(6*4)+(5*1)+(4*3)+(3*6)+(2*5)+(1*0)=98
98 % 10 = 8
So 134136-50-8 is a valid CAS Registry Number.

134136-50-8Relevant articles and documents

A fruit chitosan, intermediate, preparation method and use thereof

-

, (2017/08/25)

The invention discloses a fructan, and an intermediate, a preparation method and an application thereof. The preparation method of the fructan I comprises the steps: in an organic solvent, and under the action of an alkaline reagent, carrying out a deprot

Synthesis of d-fructopyranosides with 2-O-acyl-β-d-fructopyranosides

Lin, Feng,Xu, Qiulong,Lu, Rui,Yue, Liqun

, p. 98 - 100 (2014/01/06)

Glycosylation of 2-O-acyl fructopyranosides was investigated, which were shown to be effective glycosyl donors for d-fructopyranoside synthesis with good β-selectivity and yields. For bulky acceptor 4e, α-anomer 5e was obtained with α/β = 65:23. Unexpected ring-opening was observed during acetylation of 9, indicating the sensitivity of the fructopyranosyl ring.

DISTRIBUTION OF TAUTOMERS IN ACYLATED KETOSES. AN IMPORTANT FACTOR IN KETOSIDE SYNTHESIS

Kraska, B.,Lichtel, R.

, p. 361 - 364 (2007/10/02)

Formation of tautomers upon acylation of D-fructose and several 1-O-substituted derivatives thereof is studied and appropiate intermediates are used in stereoselective glycoside synthesis.

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