S-2-Pyridylthio Cysteamine Hydrochloride

Name: S-2-Pyridylthio Cysteamine Hydrochloride
Brand: Vaqora Chemicals
SKU: VQ-036481

About S-2-Pyridylthio Cysteamine Hydrochloride

S-2-Pyridylthio Cysteamine Hydrochloride (CAS 106139-15-5) is an impurity of Cysteamine offered by Vaqora Chemicals. With the molecular formula C7H11ClN2S2, it has a molar mass of 222.8 g/mol. Alternative names: 2-(2-Pyridyldithio)ethylamine Hydrochloride and 2-(Pyridyldithio)ethylamine hydrochloride.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Cysteamine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Cysteamine

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

Cysteamine impurities

Specifications & identifiers

Chemical identifiers
Product name	S-2-Pyridylthio Cysteamine Hydrochloride
Catalogue No.	VQ-036481
CAS Number	106139-15-5
IUPAC name	2-(pyridin-2-yldisulfanyl)ethanamine;hydrochloride
Molecular formula	C₇H₁₁ClN₂S₂
Molecular weight	222.8 g/mol
Exact mass	222.0052
Grade	Reference Standard
HSN code	38229090
InChIKey	SEKLFMRSNLFPRB-UHFFFAOYSA-N
SMILES	C1=CC=NC(=C1)SSCCN.Cl
PubChem CID	13985234

Physical properties
Physical form	Solid
H-bond donors / acceptors	2 / 4
TPSA	89.5 Å²
Synonyms	2-((2-Aminoethyl)disulfanyl)pyridine hydrochloride, 2-(2-Pyridyldithio)ethylamine Hydrochloride, 2-(pyridin-2-yldisulfanyl)ethanamine hydrochloride, 2-(Pyridyldithio)ethylamine hydrochloride, Pyridine dithioethylamine hydrochloride, 2-(Pyridyldithio)ethylamine (hydrochloride), Pyridine dithioethylamine hydrochloride(pda-hcl), (S)-2-Pyridylthio cysteamine HCl, PDA-HCl, Ethanamine,2-(2-pyridinyldithio)-, hydrochloride (1:1)

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 S-2-Pyridylthio Cysteamine Hydrochloride?

The CAS Registry Number of S-2-Pyridylthio Cysteamine Hydrochloride is 106139-15-5. It is also known as 2-((2-Aminoethyl)disulfanyl)pyridine hydrochloride, 2-(2-Pyridyldithio)ethylamine Hydrochloride, 2-(pyridin-2-yldisulfanyl)ethanamine hydrochloride.

What is the molecular formula and molecular weight of S-2-Pyridylthio Cysteamine Hydrochloride?

S-2-Pyridylthio Cysteamine Hydrochloride has the molecular formula C7H11ClN2S2 and a molecular weight of 222.8 g/mol.

What is S-2-Pyridylthio Cysteamine Hydrochloride used for?

S-2-Pyridylthio Cysteamine Hydrochloride is supplied as a characterised reference material related to Cysteamine. 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 S-2-Pyridylthio Cysteamine Hydrochloride can I order?

We supply S-2-Pyridylthio Cysteamine Hydrochloride 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 S-2-Pyridylthio Cysteamine Hydrochloride?

Yes. Every lot of S-2-Pyridylthio Cysteamine Hydrochloride 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-2-Pyridylthio Cysteamine Hydrochloride be shipped internationally?

Yes. S-2-Pyridylthio Cysteamine Hydrochloride 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.