Hydroxyectoine

Name: Hydroxyectoine
Brand: Vaqora Chemicals
SKU: VQ-049681

About Hydroxyectoine

Vaqora Chemicals supplies Hydroxyectoine, a metabolite / degradant standard registered under CAS number 165542-15-4. Its molecular formula is C6H10N2O3 and its molecular weight is 158.16 g/mol. The IUPAC name is (5S,6S)-5-hydroxy-2-methyl-1,4,5,6-tetrahydropyrimidine-6-carboxylic acid. It is also known as Hydroxyectoin or 5-Hydroxyectoine.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Analytical teams use this compound to identify metabolites and degradants, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Hydroxyectoine is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling
Fine chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Hydroxyectoine
Catalogue No.	VQ-049681
CAS Number	165542-15-4
IUPAC name	(5S,6S)-5-hydroxy-2-methyl-1,4,5,6-tetrahydropyrimidine-6-carboxylic acid
Molecular formula	C₆H₁₀N₂O₃
Molecular weight	158.16 g/mol
Exact mass	158.0691
Grade	Reference Standard
HSN code	38229090
InChIKey	KIIBBJKLKFTNQO-WHFBIAKZSA-N
SMILES	CC1=NC[C@@H]([C@H](N1)C(=O)O)O
PubChem CID	12011795

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.2
H-bond donors / acceptors	3 / 4
TPSA	81.9 Å²
Synonyms	Hydroxyectoin, 5-Hydroxyectoine, (4S,5S)-5-Hydroxy-2-methyl-1,4,5,6-tetrahydropyrimidine-4-carboxylic acid, (4S,5S)-5-hydroxy-2-methyl-1,4,5,6-tetrahydropyrimidin-3-ium-4-carboxylate, (5S,6S)-5-hydroxy-2-methyl-1,4,5,6-tetrahydropyrimidin-1-ium-6-carboxylate, beta-hydroxyectoine, Thp(A), 4-pyrimidinecarboxylic acid, 1,4,5,6-tetrahydro-5-hydroxy-2-methyl-, (4S,5S)-, Ronacare hydroxyectoin, (4S,5S)-2-methyl-4-carboxy-5-hydroxy-3,4,5,6-tetrahydropyrimidine, (S,S)-1,4,5,6-Tetrahydro-5-hydroxy-2-methyl-4-pyrimidinecarboxylic acid, 4-Pyrimidinecarboxylic acid, 1,4,5,6-tetrahydro-5-hydroxy-2-methyl-, (S-(R,R))-

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

Frequently asked questions

What is the CAS number of Hydroxyectoine?

The CAS Registry Number of Hydroxyectoine is 165542-15-4. It is also known as Hydroxyectoin, 5-Hydroxyectoine, (4S,5S)-5-Hydroxy-2-methyl-1,4,5,6-tetrahydropyrimidine-4-carboxylic acid.

What is the molecular formula and molecular weight of Hydroxyectoine?

Hydroxyectoine has the molecular formula C6H10N2O3 and a molecular weight of 158.16 g/mol. Its IUPAC name is (5S,6S)-5-hydroxy-2-methyl-1,4,5,6-tetrahydropyrimidine-6-carboxylic acid.

Which grade and pack sizes of Hydroxyectoine can I order?

We supply Hydroxyectoine 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 Hydroxyectoine?

Yes. Every lot of Hydroxyectoine 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 Hydroxyectoine be shipped internationally?

Yes. Hydroxyectoine 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.