L-Ascorbic acid, 99%

Name: L-Ascorbic acid, 99%
Brand: Vaqora Chemicals
SKU: VQ-008842

About L-Ascorbic acid, 99%

Listed under CAS 50-81-7, L-Ascorbic acid is an ester available from Vaqora Chemicals in Extra Pure grade with a typical assay of 99%. The compound has the formula C6H8O6, corresponding to a molecular weight of 176.12 g/mol. Systematically, it is named (2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one. It is also known as L-Threoascorbic acid or Antiscorbutic factor.

In its supplied form it is a white powder or crystalline powder. Reported physical data include a melting point of 190-194 °C. Keep the container tightly sealed and store it in a cool, dry area. Good laboratory practice and suitable PPE are recommended during handling.

It is commonly used for food and flavour applications and organic synthesis. It is used across pharmaceutical manufacturing, academic and industrial research and food and beverage processing.

Standard pack sizes are 5 g, 25 g, 100 g and 500 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Food & flavour applications
Organic synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	L-Ascorbic acid, 99%
Catalogue No.	VQ-008842
CAS Number	50-81-7
IUPAC name	(2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one
Molecular formula	C₆H₈O₆
Molecular weight	176.12 g/mol
Exact mass	176.0321
Grade	Extra Pure
Purity / assay	99%
HSN code	29362700
InChIKey	CIWBSHSKHKDKBQ-JLAZNSOCSA-N
SMILES	C([C@@H]([C@@H]1C(=C(C(=O)O1)O)O)O)O
PubChem CID	54670067

Physical properties
Physical form	Powder
Appearance	White powder or crystalline powder
Melting point	190-194 °C
LogP (XLogP3)	-1.6
H-bond donors / acceptors	4 / 6
TPSA	107 Å²
Synonyms	L-Threoascorbic acid, Antiscorbutic factor, Vitamin C, ascorbic acid, L(+)-Ascorbic acid, Ascoltin, Cevitamic acid, Ascorin, Ascorteal, Cantaxin, Cenetone, Cevatine

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 50-81-7

IP/BP/USP

Ascorbic Acid

CAS: 50-81-7
Formula: C₆H₈O₆
MW: 176.12 g/mol

VQ-004224

ACS

L-Ascorbic acid, ACS reagent, ≥99.5-100.5%

CAS: 50-81-7
Formula: C₆H₈O₆
MW: 176.12 g/mol

VQ-003848

Cell Culture

L-Ascorbic acid, cell culture tested

CAS: 50-81-7
Formula: C₆H₈O₆
MW: 176.12 g/mol

VQ-046376

Food Grade

L-Ascorbic acid, food grade (FCC)

CAS: 50-81-7
Formula: C₆H₈O₆
MW: 176.12 g/mol

VQ-045733

AR / Biochemistry

L-Ascorbic acid, for biochemistry, GR 99.7%

CAS: 50-81-7
Formula: C₆H₈O₆
MW: 176.12 g/mol

VQ-008843

Molecular Biology

L-Ascorbic acid, for molecular biology

CAS: 50-81-7
Formula: C₆H₈O₆
MW: 176.12 g/mol

VQ-046377

IP/BP/USP/EP/Ph. Eur.…

L-Ascorbic acid, IP/BP/USP/EP/Ph. Eur., ACS, AR 99.7%

CAS: 50-81-7
Formula: C₆H₈O₆
MW: 176.12 g/mol

VQ-045705

LR / Food Grade

L-Ascorbic acid, LR, food grade (FCC) 99.7%

CAS: 50-81-7
Formula: C₆H₈O₆
MW: 176.12 g/mol

VQ-047169

All 10 products with CAS 50-81-7 →

Frequently asked questions

What is the CAS number of L-Ascorbic acid, 99%?

The CAS Registry Number of L-Ascorbic acid, 99% is 50-81-7. It is also known as L-Threoascorbic acid, Antiscorbutic factor, Vitamin C.

What is the molecular formula and molecular weight of L-Ascorbic acid, 99%?

L-Ascorbic acid, 99% has the molecular formula C6H8O6 and a molecular weight of 176.12 g/mol. Its IUPAC name is (2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one.

Which grade and pack sizes of L-Ascorbic acid, 99% can I order?

We supply L-Ascorbic acid, 99% in Extra Pure (99%) grade, in 5 g, 25 g, 100 g, 500 g, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with L-Ascorbic acid, 99%?

Yes. Every lot of L-Ascorbic acid, 99% 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 L-Ascorbic acid, 99% be shipped internationally?

Yes. We export L-Ascorbic acid, 99% worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.