L-Xylosone

About L-Xylosone

L-Xylosone is a carbonyl building block carrying the CAS registry number 3445-23-6. Its molecular formula is C5H8O5 and its molecular weight is 148.11 g/mol. The IUPAC name is (3R,4S)-3,4,5-trihydroxy-2-oxopentanal. Alternative names: 2-keto-L-xylose and L-lyxosone.

Store in a tightly closed container in a cool, dry and well-ventilated place. Good laboratory practice and suitable PPE are recommended during handling.

Key uses span organic synthesis, condensation and reductive amination, API intermediates and fine chemical synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. SDS and detailed specification sheets can be requested with your quotation. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
Condensation & reductive amination
API intermediates
Fine chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	L-Xylosone
Catalogue No.	VQ-032873
CAS Number	3445-23-6
IUPAC name	(3R,4S)-3,4,5-trihydroxy-2-oxopentanal
Molecular formula	C₅H₈O₅
Molecular weight	148.11 g/mol
Exact mass	148.0372
InChIKey	VDSAQEDKJUSZPS-WHFBIAKZSA-N
SMILES	C([C@@H]([C@H](C(=O)C=O)O)O)O
PubChem CID	14775065

Physical properties
Physical form	Other
LogP (XLogP3)	-2.3
H-bond donors / acceptors	3 / 5
TPSA	94.8 Å²
Synonyms	2-keto-L-xylose, L-lyxosone, L-threo-2-pentosulose, L-threo-pentos-2-ulose, Rel-(3R,4S)-3,4,5-trihydroxy-2-oxopentanal

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 L-Xylosone?

The CAS Registry Number of L-Xylosone is 3445-23-6. It is also known as 2-keto-L-xylose, L-lyxosone, L-threo-2-pentosulose.

What is the molecular formula and molecular weight of L-Xylosone?

L-Xylosone has the molecular formula C5H8O5 and a molecular weight of 148.11 g/mol. Its IUPAC name is (3R,4S)-3,4,5-trihydroxy-2-oxopentanal.

Which grade and pack sizes of L-Xylosone can I order?

We supply L-Xylosone, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with L-Xylosone?

Yes. Every lot of L-Xylosone 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-Xylosone be shipped internationally?

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