3-(Methyldithio)propanoic Acid (CAS 138148-59-1) chemical structure

VAQORA

API ImpuritiesReference StandardAvailable on request

3-(Methyldithio)propanoic Acid

Name: 3-(Methyldithio)propanoic Acid
Brand: Vaqora Chemicals
SKU: VQ-038313

Synonyms: 3-Methyldisulfanyl-propionic acid · 3-(2-methyldisulfanyl)propanoic acid · 3-(methyldisulfaneyl)propanoic acid · 3-(methyldisulphanyl)propionic acid

CAS No.138148-59-1

FormulaC₄H₈O₂S₂

Mol. weight152.20

Catalogue No.VQ-038313

PurityReference Standard

HSN38229090

3-(Methyldithio)propanoic Acid (CAS 138148-59-1) – Mertansine impurity standard. C4H8O2S2, MW 152.2. Request a quote: COA, bulk packs and worldwide export.

Pack sizesPrice on quotation · bulk available

10 mg

25 mg

50 mg

100 mg

Bulk / custom pack · kg to MT

Enquire

Batch COA with every lot

16-section GHS SDS

Export to 120+ countries

DG-compliant packing

About 3-(Methyldithio)propanoic Acid

3-(Methyldithio)propanoic Acid (CAS 138148-59-1) is an impurity of Mertansine offered by Vaqora Chemicals. Its molecular formula is C4H8O2S2 and its molecular weight is 152.2 g/mol. The IUPAC name is 3-(methyldisulfanyl)propanoic acid. It is also known as 3-Methyldisulfanyl-propionic acid or 3-(2-methyldisulfanyl)propanoic acid.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 5 hazard statements. Review the Safety Data Sheet before use.

This Mertansine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer 3-(Methyldithio)propanoic 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 Mertansine

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

Mertansine impurities

Specifications & identifiers

Chemical identifiers
Product name	3-(Methyldithio)propanoic Acid
Catalogue No.	VQ-038313
CAS Number	138148-59-1
IUPAC name	3-(methyldisulfanyl)propanoic acid
Molecular formula	C₄H₈O₂S₂
Molecular weight	152.2 g/mol
Exact mass	151.9966
Grade	Reference Standard
HSN code	38229090
InChIKey	GHYWXMNHUWSLHA-UHFFFAOYSA-N
SMILES	CSSCCC(=O)O
PubChem CID	9877428

Physical properties
Physical form	Solid
LogP (XLogP3)	0.4
H-bond donors / acceptors	1 / 4
TPSA	87.9 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P272, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P333 + 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 3-(Methyldithio)propanoic Acid?

The CAS Registry Number of 3-(Methyldithio)propanoic Acid is 138148-59-1. It is also known as 3-Methyldisulfanyl-propionic acid, 3-(2-methyldisulfanyl)propanoic acid, 3-(methyldisulfaneyl)propanoic acid.

What is the molecular formula and molecular weight of 3-(Methyldithio)propanoic Acid?

3-(Methyldithio)propanoic Acid has the molecular formula C4H8O2S2 and a molecular weight of 152.2 g/mol. Its IUPAC name is 3-(methyldisulfanyl)propanoic acid.

What is 3-(Methyldithio)propanoic Acid used for?

3-(Methyldithio)propanoic Acid is supplied as a characterised reference material related to Mertansine. 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 3-(Methyldithio)propanoic Acid can I order?

We supply 3-(Methyldithio)propanoic 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 3-(Methyldithio)propanoic Acid?

Yes. Every lot of 3-(Methyldithio)propanoic 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 3-(Methyldithio)propanoic Acid be shipped internationally?

Yes. 3-(Methyldithio)propanoic 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.