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Esters & Lactones

L-Ascorbic acid, 99%

Extra PureAvailable on request

Buy L-Ascorbic acid, 99% (CAS 50-81-7) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Purity 99%. Packs from 5 g.

Pack sizes
L-Ascorbic acid, 99% chemical structure
CAS number50-81-7
FormulaC6H8O6
Molar mass176.12 g/mol
Physical formPowder
HS code29362700
Purity99%
InChIKeyCIWBSHSKHKDKBQ-JLAZNSOCSA-N
IUPAC name(2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one

About L-Ascorbic acid, 99%

Zemixal supplies L-Ascorbic acid, 99% within its pharma Intermediates & Building Blocks portfolio. Key data (Extra Pure): CAS 50-81-7, formula C6H8O6 and molar mass 176.12 g/mol. It is described as white powder or crystalline powder.

Typical applications

  • Food & flavour applications
  • Organic synthesis

Handling and storage

Literature values: melting point 190-194 °C. Handle with the usual laboratory precautions and consult the SDS supplied with each lot.

Order it in 5 g, 25 g, 100 g, 500 g and 5 x 1 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Food & flavour applications
  • Organic synthesis

Applications

Food, Beverage and NutritionPharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Extra Pure Grade

Specifications and identifiers

Specifications of L-Ascorbic acid, 99%
Product nameL-Ascorbic acid, 99%
Catalogue numberZX-007900
CAS number50-81-7
IUPAC name(2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one
Molecular formulaC6H8O6
Molar mass176.12 g/mol
Exact mass176.0321
GradeExtra Pure
Purity / assay99%
Physical formPowder
AppearanceWhite powder or crystalline powder
Melting point190-194 °C
XLogP3-1.6
H-bond donors / acceptors4 / 6
Topological polar surface area107 Ų
HS code29362700
InChIKeyCIWBSHSKHKDKBQ-JLAZNSOCSA-N
SMILESC([C@@H]([C@@H]1C(=C(C(=O)O1)O)O)O)O
PubChem CID54670067
SynonymsL-Threoascorbic acid, Antiscorbutic factor, Vitamin C, ascorbic acid, L(+)-Ascorbic acid, Ascoltin, Cevitamic acid, Ascorin, Ascorteal, Cantaxin, Cenetone, Cevatine

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of L-Ascorbic acid, 99%
5 gQuoted on request
25 gQuoted on request
100 gQuoted on request
500 gQuoted on request
5 x 1 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about L-Ascorbic acid, 99%

Which CAS number identifies L-Ascorbic acid, 99%?
L-Ascorbic acid, 99% is registered under CAS 50-81-7. You may also see it listed as L-Threoascorbic acid, Antiscorbutic factor, Vitamin C. Our catalogue number for this item is ZX-007900.
What are the formula and molar mass of L-Ascorbic acid, 99%?
For L-Ascorbic acid, 99%, its formula is C6H8O6 and its molar mass is 176.12 g/mol. The systematic (IUPAC) name is (2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one. InChIKey CIWBSHSKHKDKBQ-JLAZNSOCSA-N lets you match it in any structure database.
What grade and pack sizes are available for L-Ascorbic acid, 99%?
This listing is Extra Pure grade with 99% purity. Standard packs are 5 g, 25 g, 100 g, 500 g, 5 x 1 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with L-Ascorbic acid, 99%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship L-Ascorbic acid, 99% to my country?
Yes. L-Ascorbic acid, 99% ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

Other grades with CAS 50-81-7

All 10 grades

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