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104320-20-9

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104320-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104320-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,3,2 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 104320-20:
(8*1)+(7*0)+(6*4)+(5*3)+(4*2)+(3*0)+(2*2)+(1*0)=59
59 % 10 = 9
So 104320-20-9 is a valid CAS Registry Number.

104320-20-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name DIACETONE MANNOSEOXIME

1.2 Other means of identification

Product number -
Other names 2,3:5,6-O-diisopropylidene-D-gulose oxime

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:104320-20-9 SDS

104320-20-9Relevant articles and documents

ZnCl2-mediated stereoselective addition of terminal alkynes to D-(+)-mannofuranosyl nitrones

Topic, Dana,Aschwanden, Patrick,Faessler, Roger,Carreira, Erick M.

, p. 5329 - 5330 (2005)

(Chemical Equation Presented) An optimized process for the addition of terminal alkynes to chiral nitrones using ZnCl2 and NEt3 in toluene is reported. The new reaction protocol is facile to perform and cost-effective. The resulting

Enantioselective, chromatography-free synthesis of β3-Amino acids with natural and unnatural side chains

Gerfaud, Thibaud,Chiang, Ying-Ling,Kreituss, Imants,Russak, Justin A.,Bode, Jeffrey W.

, p. 687 - 696 (2012/07/13)

β3-Amino acids are key components of some pharmaceuticals, excellent surrogates for metabolically labile α-amino acids, and building blocks for chiral heterocycles. Unfortunately they are not easily accessible in enantiomerically pure form, especially when possessing unnatural side chains. A flexible, chromatography-free process for the synthesis of enantiopure β3-amino acids possessing natural and unnatural side chains is described. The procedure uses inexpensive starting materials and reagents and offers a good alternative to the hazardous and expensive Arndt-Eistert homologation of enantiopure α-amino acids. Its utility has been demonstrated with the preparative scale synthesis of two valuable β3-amino acids possessing unnatural side chains.

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