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ChemicalBook >> CAS DataBase List >>Ascorbic acid EP Impurity G (L-threo-Hex-2-eneric acid, 1-4-lactone)

Ascorbic acid EP Impurity G (L-threo-Hex-2-eneric acid, 1-4-lactone)

CAS No.
66757-69-5
Chemical Name:
Ascorbic acid EP Impurity G (L-threo-Hex-2-eneric acid, 1-4-lactone)
Synonyms
LMMOGBZPBLQFHK-DMTCNVIQSA-N;Sodium Ascorbate EP Impurity G;Antioxidant vitamin EP impurity G;L-threo-Hex-2-enaric acid, 1,4-lactone;L-threo-Hex-2-enaric acid, 1,4-lactone (9CI);Ascorbic Acid Impurity 7(Ascorbic Acid EP Impurity G);Ascorbic acid EP Impurity G (L-threo-Hex-2-eneric acid, 1-4-lactone);(2R)-2-[(2R)-3,4-Dihydroxy-5-oxo-2,5-dihydrofuran-2-yl]-2-hydroxyacetic acid;Ascorbic acid Imp G (EP) : (2R)-2-[(2R)-3,4-dihydroxy-5-oxo-2,5-dihydrofuran-2-yl]-2-hydroxyacetic acid
CBNumber:
CB53163316
Molecular Formula:
C6H6O7
Molecular Weight:
190.11
MDL Number:
MOL File:
66757-69-5.mol
MSDS File:
SDS
Last updated:2026-05-28 04:00:54
Product description Number Pack Size Price
L-threo-Hex-​2-​enaric acid 1,​4-Lactone 453442 5mg $468
L-threo-Hex-​2-​enaric acid 1,​4-Lactone 453442 25mg $1656
L-threo-hex-?2-?enaric acid 1,?4-lactone FL178794 1mg $314.12
L-threo-hex-?2-?enaric acid 1,?4-lactone FL178794 2mg $499.72
L-threo-hex-?2-?enaric acid 1,?4-lactone FL178794 5mg $785.3

Ascorbic acid EP Impurity G (L-threo-Hex-2-eneric acid, 1-4-lactone) Properties

Melting point >200°C (dec.)
Boiling point 634.3±55.0 °C(Predicted)
Density 2.179±0.06 g/cm3(Predicted)
storage temp. Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility Acetonitrile (Slightly), DMSO (Slightly), Methanol (Slightly), Water (Slightly)
form Solid
pka 2.94±0.11(Predicted)
color White to Dark Brown
Stability Hygroscopic
FDA UNII 2TP5W97GUB

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P280-P305+P351+P338

Ascorbic acid EP Impurity G (L-threo-Hex-2-eneric acid, 1-4-lactone) price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Usbiological 453442 L-threo-Hex-​2-​enaric acid 1,​4-Lactone 66757-69-5 5mg $468 2026-06-03 Buy
Usbiological 453442 L-threo-Hex-​2-​enaric acid 1,​4-Lactone 66757-69-5 25mg $1656 2026-06-03 Buy
Biosynth FL178794 L-threo-hex-?2-?enaric acid 1,?4-lactone 66757-69-5 1mg $314.12 2026-06-04 Buy
Biosynth FL178794 L-threo-hex-?2-?enaric acid 1,?4-lactone 66757-69-5 2mg $499.72 2026-06-04 Buy
Biosynth FL178794 L-threo-hex-?2-?enaric acid 1,?4-lactone 66757-69-5 5mg $785.3 2026-06-04 Buy
Product number Packaging Price Buy
453442 5mg $468 Buy
453442 25mg $1656 Buy
FL178794 1mg $314.12 Buy
FL178794 2mg $499.72 Buy
FL178794 5mg $785.3 Buy

Ascorbic acid EP Impurity G (L-threo-Hex-2-eneric acid, 1-4-lactone) Chemical Properties,Uses,Production

Uses

L-threo-Hex-2-enaric acid 1,4-Lactone is an impurity of L-Ascorbic Acid (A786990) which is a physiological antioxidant.

Ascorbic acid EP Impurity G (L-threo-Hex-2-eneric acid, 1-4-lactone) Preparation Products And Raw materials

Raw materials

Preparation Products

Ascorbic acid EP Impurity G (L-threo-Hex-2-eneric acid, 1-4-lactone) Suppliers

Global( 52)Suppliers
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Ascorbic acid EP Impurity G (L-threo-Hex-2-eneric acid, 1-4-lactone) L-threo-Hex-2-enaric acid, 1,4-lactone (9CI) (2R)-2-[(2R)-3,4-Dihydroxy-5-oxo-2,5-dihydrofuran-2-yl]-2-hydroxyacetic acid Ascorbic acid Imp G (EP) : (2R)-2-[(2R)-3,4-dihydroxy-5-oxo-2,5-dihydrofuran-2-yl]-2-hydroxyacetic acid Ascorbic Acid Impurity 7(Ascorbic Acid EP Impurity G) Sodium Ascorbate EP Impurity G LMMOGBZPBLQFHK-DMTCNVIQSA-N L-threo-Hex-2-enaric acid, 1,4-lactone Antioxidant vitamin EP impurity G 66757-69-5
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