Ascorbic Acid EP Impurity H

Name: Ascorbic Acid EP Impurity H
Brand: Vaqora Chemicals
SKU: VQ-021249

About Ascorbic Acid EP Impurity H

Listed under CAS 122046-79-1, Ascorbic Acid EP Impurity H is a pharmacopeial impurity of Ascorbic acid available from Vaqora Chemicals. With the molecular formula C7H8O7, it has a molar mass of 204.13 g/mol. Systematically, it is named methyl (2R)-2-[(2R)-3,4-dihydroxy-5-oxo-2H-furan-2-yl]-2-hydroxyacetate. Alternative names: Ascorbic Acid - Impurity H.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Ascorbic acid, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Ascorbic acid

View every impurity, metabolite and intermediate we list for Ascorbic acid.

Ascorbic acid impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Ascorbic Acid EP Impurity H
Catalogue No.	VQ-021249
CAS Number	122046-79-1
IUPAC name	methyl (2R)-2-[(2R)-3,4-dihydroxy-5-oxo-2H-furan-2-yl]-2-hydroxyacetate
Molecular formula	C₇H₈O₇
Molecular weight	204.13 g/mol
Exact mass	204.027
Grade	Reference Standard
HSN code	38229090
InChIKey	YDPRPKPHLCWZNT-UHNVWZDZSA-N
SMILES	COC(=O)[C@@H]([C@@H]1C(=C(C(=O)O1)O)O)O
PubChem CID	125336450

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.7
H-bond donors / acceptors	3 / 7
TPSA	113 Å²
Synonyms	Ascorbic Acid - Impurity H, L-threo-Hex-2-enaric acid 1,4-Lactone 6-Methyl Ester, (R)-Methyl 2-((R)-3,4-dihydroxy-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyacetate, L-Threo-hex-2-enaric acid, 1,4-lactone, 6-methyl ester, Methyl (2R)-2-((2R)-3,4-dihydroxy-5-oxo-2H-furan-2-yl)-2-hydroxyacetate, Methyl (2R)-2-((2R)-3,4-dihydroxy-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyacetate, Methyl (R)-2-((R)-3,4-dihydroxy-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyacetate, Methyl (2R)-2-[(2R)-3,4-dihydroxy-5-oxo-2,5-dihydrofuran-2-yl]-2-hydroxyacetate, L-threo-Hex-2-enaric acid, 1,4-lactone, 6-methyl ester (9CI)

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Ascorbic Acid EP Impurity H?

The CAS Registry Number of Ascorbic Acid EP Impurity H is 122046-79-1. It is also known as Ascorbic Acid - Impurity H, L-threo-Hex-2-enaric acid 1,4-Lactone 6-Methyl Ester, (R)-Methyl 2-((R)-3,4-dihydroxy-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyacetate.

What is the molecular formula and molecular weight of Ascorbic Acid EP Impurity H?

Ascorbic Acid EP Impurity H has the molecular formula C7H8O7 and a molecular weight of 204.13 g/mol. Its IUPAC name is methyl (2R)-2-[(2R)-3,4-dihydroxy-5-oxo-2H-furan-2-yl]-2-hydroxyacetate.

What is Ascorbic Acid EP Impurity H used for?

Ascorbic Acid EP Impurity H is supplied as a characterised reference material related to Ascorbic acid. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Ascorbic Acid EP Impurity H can I order?

We supply Ascorbic Acid EP Impurity H in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ascorbic Acid EP Impurity H?

Yes. Every lot of Ascorbic Acid EP Impurity H is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Ascorbic Acid EP Impurity H be shipped internationally?

Yes. We export Ascorbic Acid EP Impurity H worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.