(S)-(+)-Citramalic acid

Name: (S)-(+)-Citramalic acid
Brand: Vaqora Chemicals
SKU: VQ-050541

About (S)-(+)-Citramalic acid

Vaqora Chemicals supplies (S)-(+)-Citramalic acid, a carboxylic acid registered under CAS number 6236-09-5. Formula C5H8O5, molecular weight 148.11 g/mol. Its systematic (IUPAC) name is (2S)-2-hydroxy-2-methylbutanedioic acid. Alternative names: (S)-2-Hydroxy-2-methylsuccinic acid and L-citramalic acid.

Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for organic synthesis and API synthesis. Typical end-use sectors are 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. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	(S)-(+)-Citramalic acid
Catalogue No.	VQ-050541
CAS Number	6236-09-5
IUPAC name	(2S)-2-hydroxy-2-methylbutanedioic acid
Molecular formula	C₅H₈O₅
Molecular weight	148.11 g/mol
Exact mass	148.0372
InChIKey	XFTRTWQBIOMVPK-YFKPBYRVSA-N
SMILES	C[C@](CC(=O)O)(C(=O)O)O
PubChem CID	441696

Physical properties
Physical form	Other
LogP (XLogP3)	-0.9
H-bond donors / acceptors	3 / 5
TPSA	94.8 Å²
Synonyms	(S)-2-Hydroxy-2-methylsuccinic acid, L-citramalic acid, (+)-citramalic acid, Citramalic acid, (+)-, (2S)-2-hydroxy-2-methylsuccinic acid, Butanedioic acid, 2-hydroxy-2-methyl-, (2S)-, (S)-2-methylmalic acid, L-alpha-hydroxypyrotartaric acid, (S)-citramalate, (3S)-citramalic acid

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 (S)-(+)-Citramalic acid?

The CAS Registry Number of (S)-(+)-Citramalic acid is 6236-09-5. It is also known as (S)-2-Hydroxy-2-methylsuccinic acid, L-citramalic acid, (+)-citramalic acid.

What is the molecular formula and molecular weight of (S)-(+)-Citramalic acid?

(S)-(+)-Citramalic acid has the molecular formula C5H8O5 and a molecular weight of 148.11 g/mol. Its IUPAC name is (2S)-2-hydroxy-2-methylbutanedioic acid.

Which grade and pack sizes of (S)-(+)-Citramalic acid can I order?

We supply (S)-(+)-Citramalic acid, 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 (S)-(+)-Citramalic acid?

Yes. Every lot of (S)-(+)-Citramalic 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 (S)-(+)-Citramalic acid be shipped internationally?

Yes. (S)-(+)-Citramalic acid 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.