Ascorbic Acid Impurity C

Name: Ascorbic Acid Impurity C
Brand: Vaqora Chemicals
SKU: VQ-004444

About Ascorbic Acid Impurity C

Listed under CAS 526-98-7, Ascorbic Acid Impurity C is an API impurity reference standard available from Vaqora Chemicals. With the molecular formula C6H10O7, it has a molar mass of 194.14 g/mol. The IUPAC name is (3S,4R,5S)-3,4,5,6-tetrahydroxy-2-oxohexanoic acid. Common synonyms include 2-Keto-L-gulonic acid and 2-keto -L-Gulonic acid.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

This the parent drug substance impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are 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

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Specifications & identifiers

Chemical identifiers
Product name	Ascorbic Acid Impurity C
Catalogue No.	VQ-004444
CAS Number	526-98-7
IUPAC name	(3S,4R,5S)-3,4,5,6-tetrahydroxy-2-oxohexanoic acid
Molecular formula	C₆H₁₀O₇
Molecular weight	194.14 g/mol
Exact mass	194.0427
Grade	Reference Standard
HSN code	38229090
InChIKey	VBUYCZFBVCCYFD-NUNKFHFFSA-N
SMILES	C([C@@H]([C@H]([C@@H](C(=O)C(=O)O)O)O)O)O
PubChem CID	102424

Physical properties
Physical form	Solid
LogP (XLogP3)	-2.9
H-bond donors / acceptors	5 / 7
TPSA	135 Å²
Synonyms	2-Keto-L-gulonic acid, 2-keto -L-Gulonic acid, L-Xylohexulosonic acid, L-Xylo-hex-2-ulosonic Acid, 2-Keto-L-idonic acid, L-xylo-2-Hexulosonic acid, L-sorbosonic acid, 2-Oxo-l-gulonic acid, L-sorbosonate, L-Ketoidonate, 2-Dehydro-L-idonate, GlyTouCan:G17407TX

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

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

Other grades of CAS 526-98-7

2-Keto-L-gulonic acid, 95%

CAS: 526-98-7
Formula: C₆H₁₀O₇
MW: 194.14 g/mol

VQ-002741

Frequently asked questions

What is the CAS number of Ascorbic Acid Impurity C?

The CAS Registry Number of Ascorbic Acid Impurity C is 526-98-7. It is also known as 2-Keto-L-gulonic acid, 2-keto -L-Gulonic acid, L-Xylohexulosonic acid.

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

Ascorbic Acid Impurity C has the molecular formula C6H10O7 and a molecular weight of 194.14 g/mol. Its IUPAC name is (3S,4R,5S)-3,4,5,6-tetrahydroxy-2-oxohexanoic acid.

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

We supply Ascorbic Acid Impurity C 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 Impurity C?

Yes. Every lot of Ascorbic Acid Impurity C 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 Impurity C be shipped internationally?

Yes. Ascorbic Acid Impurity C is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.