Caloxetic acid

Name: Caloxetic acid
Brand: Vaqora Chemicals
SKU: VQ-037478

About Caloxetic acid

Vaqora Chemicals supplies Caloxetic acid, an impurity of Gadoxetate registered under CAS number 158599-72-5. Its molecular formula is C23H33N3O11 and its molecular weight is 527.5 g/mol. Alternative names: EOB-DTPA Sodium Salt.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Pharmaceutical QC and development laboratories use this impurity standard of Gadoxetate to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Caloxetic acid in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Gadoxetate

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

Gadoxetate impurities

Specifications & identifiers

Chemical identifiers
Product name	Caloxetic acid
Catalogue No.	VQ-037478
CAS Number	158599-72-5
IUPAC name	2-[[(2S)-2-[bis(carboxymethyl)amino]-3-(4-ethoxyphenyl)propyl]-[2-[bis(carboxymethyl)amino]ethyl]amino]acetic acid
Molecular formula	C₂₃H₃₃N₃O₁₁
Molecular weight	527.5 g/mol
Exact mass	527.2115
Grade	Reference Standard
HSN code	38229090
InChIKey	AQOXEJNYXXLRQQ-KRWDZBQOSA-N
SMILES	CCOC1=CC=C(C=C1)C[C@@H](CN(CCN(CC(=O)O)CC(=O)O)CC(=O)O)N(CC(=O)O)CC(=O)O
PubChem CID	219085

Physical properties
Physical form	Solid
LogP (XLogP3)	-6.2
H-bond donors / acceptors	5 / 14
TPSA	205 Å²

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H319Causes serious eye irritation
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P264 + P265, P273, P280, P305 + P351 + P338, P337 + P317, P391, 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 Caloxetic acid?

The CAS Registry Number of Caloxetic acid is 158599-72-5. It is also known as EOB-DTPA Sodium Salt.

What is the molecular formula and molecular weight of Caloxetic acid?

Caloxetic acid has the molecular formula C23H33N3O11 and a molecular weight of 527.5 g/mol. Its IUPAC name is 2-[[(2S)-2-[bis(carboxymethyl)amino]-3-(4-ethoxyphenyl)propyl]-[2-[bis(carboxymethyl)amino]ethyl]amino]acetic acid.

What is Caloxetic acid used for?

Caloxetic acid is supplied as a characterised reference material related to Gadoxetate. 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 Caloxetic acid can I order?

We supply Caloxetic acid 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 Caloxetic acid?

Yes. Every lot of Caloxetic 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 Caloxetic acid be shipped internationally?

Yes. Caloxetic 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.