Monosodium citrate

Name: Monosodium citrate
Brand: Vaqora Chemicals
SKU: VQ-051605

About Monosodium citrate

Vaqora Chemicals supplies Monosodium citrate, a process intermediate or related compound of Allopurinol registered under CAS number 18996-35-5. Its molecular formula is C6H7NaO7 and its molecular weight is 214.1 g/mol. Its systematic (IUPAC) name is sodium 3-carboxy-3,5-dihydroxy-5-oxopentanoate. It is also known as Sodium citrate monobasic or Sodium dihydrogen citrate.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Process chemists and analysts use it when developing synthetic routes to Allopurinol, tracking process-related impurities and validating analytical methods. It is used across pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Allopurinol

View every impurity, metabolite and intermediate we list for Allopurinol.

Allopurinol impurities

Specifications & identifiers

Chemical identifiers
Product name	Monosodium citrate
Catalogue No.	VQ-051605
CAS Number	18996-35-5
IUPAC name	sodium 3-carboxy-3,5-dihydroxy-5-oxopentanoate
Molecular formula	C₆H₇NaO₇
Molecular weight	214.1 g/mol
Exact mass	214.0089
InChIKey	HWPKGOGLCKPRLZ-UHFFFAOYSA-M
SMILES	C(C(=O)O)C(CC(=O)[O-])(C(=O)O)O.[Na+]
PubChem CID	23666341

Physical properties
Physical form	Solid
H-bond donors / acceptors	3 / 7
TPSA	135 Å²
Synonyms	Sodium citrate monobasic, Sodium dihydrogen citrate, 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, monosodium salt, 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, sodium salt (1:1), E 331I, sodium 3,4-dicarboxy-3-hydroxybutanoate, Citric acid monosodium salt, Monosodium Citrate Anhydrous, Sodium dihydrogencitrate, sodium,2-(carboxymethyl)-2,4-dihydroxy-4-oxobutanoate

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 18996-35-5

ACS / AR

Sodium Dihydrogen Citrate, ACS, AR

CAS: 18996-35-5
Formula: C₆H₇NaO₇
MW: 214.1 g/mol

VQ-020352

Frequently asked questions

What is the CAS number of Monosodium citrate?

The CAS Registry Number of Monosodium citrate is 18996-35-5. It is also known as Sodium citrate monobasic, Sodium dihydrogen citrate, 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, monosodium salt.

What is the molecular formula and molecular weight of Monosodium citrate?

Monosodium citrate has the molecular formula C6H7NaO7 and a molecular weight of 214.1 g/mol. Its IUPAC name is sodium 3-carboxy-3,5-dihydroxy-5-oxopentanoate.

What is Monosodium citrate used for?

Monosodium citrate is supplied as a characterised reference material related to Allopurinol. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Monosodium citrate can I order?

We supply Monosodium citrate, 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 Monosodium citrate?

Yes. Every lot of Monosodium citrate 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 Monosodium citrate be shipped internationally?

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