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1668-08-2

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1668-08-2 Usage

Chemical Properties

White powder

Uses

L-Galactono-1,4-lactone is used as a substrate for the investigation of an L-Fucono-1,5-lactonase from cog3618 of amidohydrolase superfamily.

Check Digit Verification of cas no

The CAS Registry Mumber 1668-08-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,6 and 8 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1668-08:
(6*1)+(5*6)+(4*6)+(3*8)+(2*0)+(1*8)=92
92 % 10 = 2
So 1668-08-2 is a valid CAS Registry Number.
InChI:InChI=1/C6H10O6/c7-1-2(8)5-3(9)4(10)6(11)12-5/h2-5,7-10H,1H2/t2-,3-,4-,5+/m0/s1

1668-08-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name L-galactono-1,4-lactone

1.2 Other means of identification

Product number -
Other names L-(+)-galactono-1,4-lactone

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:1668-08-2 SDS

1668-08-2Related news

Ascorbic acid in pollen: Conversion of L-GALACTONO-1,4-LACTONE (cas 1668-08-2) to L-ascorbic acid by Lilium longiflorum☆09/25/2019

The L-ascorbic acid (AA) content of pollen from three cultivars of Lilium longiflorum Thunb. was 260–280 μg/g fresh wt. of pollen. During germination ascorbic acid content gradually decreased reaching 70% of the original value at 6 h. Pollen germinated in media containing 0.29 M D-glucose (an ...detailed

Liquid crystalline 5,6-O-acetals of L-GALACTONO-1,4-LACTONE (cas 1668-08-2) prepared by a microwave irradiation on montmorillonite09/24/2019

Acetal derivatives of L-galactono-1,4-lactone showing thermotropic liquid crystalline properties were synthesized without sovent in the presence of dry montmorillonite KSF using microwave irradiation.detailed

l-Ascorbate biosynthesis in strawberries: L-GALACTONO-1,4-LACTONE (cas 1668-08-2) dehydrogenase expression during fruit development and ripening09/09/2019

l-Galactono-1,4-lactone dehydrogenase (GLDH; E.C. 1.3.2.3), the enzyme responsible for the last step of l-ascorbate biosynthesis in plants, was cloned from strawberries (Fragaria × ananassa Duch, cv. Campineiro) and its activity and expression followed during fruit development and ripening. Pro...detailed

PhysiologyTiller number is altered in the ascorbic acid-deficient rice suppressed for L-GALACTONO-1,4-LACTONE (cas 1668-08-2) dehydrogenase09/08/2019

The tiller of rice (Oryza sativa L.), which determines the panicle number per plant, is an important agronomic trait for grain production. Ascorbic acid (Asc) is a major plant antioxidant that serves many functions in plants. l-Galactono-1,4-lactone dehydrogenase (GLDH, EC 1.3.2.3) is an enzyme ...detailed

Alterations in Ascorbic Acid Levels by Transformation of the L-GALACTONO-1,4-LACTONE (cas 1668-08-2) Dehydrogenase Gene in Solanum tuberosum09/07/2019

L-galactono-1, 4-lactone dehydrogenase (GLDH) is an important enzyme that catalyzes the last step of the ascorbate biosynthetic pathways in plants. A full-length cDNA clone encoding GLDH was isolated from potato (Solanum tuberosum L. ‘Favorita’) leaf and subcloned into a binary vector, pBI121,...detailed

1668-08-2Relevant articles and documents

-

Richtmyer et al.

, p. 340,342 (1939)

-

METHOD FOR PRODUCING L-FUCOSE

-

Page/Page column 15; 16, (2012/05/04)

The present invention provides: in a first aspect, a method for the preparation of L-fucose, wherein L-fucose precursors are produced from pectin and L-fucose is produced from the L-fucose precursors; in a second aspect, a method for the preparation of L-fucose from D-galacturonic acid or a salt thereof, wherein L-fucose precursors are produced from D-galacturonic acid or a salt thereof, and L-fucose is produced from the L-fucose precursors; and an L-fucose precursoras shown in Formula A below, wherein R is a linear or branched chain saturated hydrocarbon group with 1-6 carbon atoms, such as methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, s-butyl, t-butyl, n-hexyl, etc., preferably a methyl group.

2-Acetamido-2-deoxyaldonolactones from sugar formazans

Zsoldos-Mady, Virag,Pinter, Istvan,Neszmelyi, Andras,Messmer, Andras,Perczel, Andras

, p. 85 - 96 (2007/10/02)

A new approach towards simple aldonic acid derivatives starting from the corresponding aldoses via the 2-acetamido-2-deoxy formazans resulted in the synthesis of 2-acetamido-2-deoxy-D-galactono-1,4-lactone (8), and its 6-deoxy (11) and 6-azido-6-deoxy (14) analogues on treatment with trifluoroacetic acid.The five-membered ring structure of the lactones and that of the intermediate lactone phenylhydrazone (7) was proved by 1H and 13C NMR studies, including deuterium-induced differential isotope shift (DIS) measurements.With sodium borohydride, lactones 8 and 11 were converted into 2-acetamido-2-deoxy-D-galactitol (15) and its 6-deoxy analogue (17), respectively.

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