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18486-53-8

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18486-53-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18486-53-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,4,8 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 18486-53:
(7*1)+(6*8)+(5*4)+(4*8)+(3*6)+(2*5)+(1*3)=138
138 % 10 = 8
So 18486-53-8 is a valid CAS Registry Number.

18486-53-8Downstream Products

18486-53-8Relevant articles and documents

Electroorganic synthesis 66: Selective anodic oxidation of carbohydrates mediated by TEMPO

Schnatbaum, Karsten,Sch?fer, Hans J.

, p. 864 - 872 (1999)

The carbohydrates 4-15 are anodically oxidized with 2,2,6,6- tetramethylpiperidin-1-oxyl (TEMPO) as mediator. Selective and complete reaction at the primary hydroxyl groups affords the corresponding carboxylic acids 16-32 in moderate to excellent yield. Methyl α-D-glucopyranoside is converted in 98% yield to the uronic acid 16. Cyclic voltammetry shows that the oxydation is base-catalyzed and the oxidation of the hydroxy group with TEMPO+ (2) is rate determining.

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Schier,Waldmann

, p. 847,855 (1957)

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SYNTHESIS OF METHYL ETHERS OF URONIC ACIDS. III. SYNTHESIS OF METHYL (METHYL-α-D-MANNOPYRANOSID)URONATE AND ITS 2- AND 4-O-METHYL ETHERS

Grishkovets, V. I.,Zemlyakov, A. E.,Chirva, V. Ya.

, p. 401 - 403 (2007/10/02)

The synthesis of methyl (methyl α-D-mannopyranosid)uronate and its 2- and 4-O-methyl ethers has been effected by the chromium trioxide oxidation of the corredponding O-benzyl and O-benzylidene derivatives of methyl α-D-mannopyranoside, esterification with

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