Ascorbic Acid

Name: Ascorbic Acid
Brand: Vaqora Chemicals
SKU: VQ-004224

About Ascorbic Acid

Listed under CAS 50-81-7, Ascorbic Acid is an active pharmaceutical ingredient available from Vaqora Chemicals (IP/BP/USP grade). The compound has the formula C6H8O6, corresponding to a molecular weight of 176.12 g/mol. Its systematic (IUPAC) name is (2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one. Common synonyms include l-ascorbic acid and vitamin C.

It is supplied as a white or almost white crystalline powder. Store in a tightly closed container in a cool, dry and well-ventilated place. Good laboratory practice and suitable PPE are recommended during handling.

This API belongs to our vitamins, excipients and other APIs portfolio and is supplied to IP/BP/USP specifications for formulators, contract manufacturers and generic drug developers. It is used across pharmaceutical manufacturing.

Available in 1 kg, 5 kg and 25 kg packs, Ascorbic Acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Pharmaceutical formulation
Generic drug development
Nutraceutical & excipient use

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Ascorbic Acid
Catalogue No.	VQ-004224
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	IP/BP/USP
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 or almost white crystalline powder
LogP (XLogP3)	-1.6
H-bond donors / acceptors	4 / 6
TPSA	107 Å²
Synonyms	l-ascorbic acid, vitamin C, L(+)-Ascorbic acid, Ascoltin, Cevitamic acid, Ascorin, Ascorteal, Cantaxin, Cenetone, Cevatine, Viscorin, Vitacimin

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

Extra Pure

L-Ascorbic acid, 99%

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

VQ-008842

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 Ascorbic Acid?

The CAS Registry Number of Ascorbic Acid is 50-81-7. It is also known as l-ascorbic acid, vitamin C, L(+)-Ascorbic acid.

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

Ascorbic Acid 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 Ascorbic Acid can I order?

We supply Ascorbic Acid in IP/BP/USP grade, in 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ascorbic Acid?

Yes. Every lot of Ascorbic Acid 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 be shipped internationally?

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