N-Nitroso Thiomorpholine

Name: N-Nitroso Thiomorpholine
Brand: Vaqora Chemicals
SKU: VQ-036485

About N-Nitroso Thiomorpholine

Vaqora Chemicals supplies N-Nitroso Thiomorpholine, a nitrosamine impurity of Cysteamine registered under CAS number 26541-51-5. Its molecular formula is C4H8N2OS and its molecular weight is 132.19 g/mol. The IUPAC name is 4-nitrosothiomorpholine. It is also known as 2H-1,4-Thiazine, 4-nitroso- or 4Nitrosothiomorpholine.

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. It carries the GHS signal word “Danger” with 5 hazard statements. Review the Safety Data Sheet before use.

Laboratories use this nitrosamine standard to develop and validate highly sensitive LC-MS/MS methods, to confirm limits of detection and to document nitrosamine risk assessments in regulatory submissions. Buyers come mainly from 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

Nitrosamine risk assessment
Trace LC-MS/MS quantitation
Method validation (AMV)
Regulatory submissions

Industries

Related to Cysteamine

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

Cysteamine impurities

Specifications & identifiers

Chemical identifiers
Product name	N-Nitroso Thiomorpholine
Catalogue No.	VQ-036485
CAS Number	26541-51-5
IUPAC name	4-nitrosothiomorpholine
Molecular formula	C₄H₈N₂OS
Molecular weight	132.19 g/mol
Exact mass	132.0357
Grade	Reference Standard
HSN code	38229090
InChIKey	OMDNEQQMLDYBTR-UHFFFAOYSA-N
SMILES	C1CSCCN1N=O
PubChem CID	33535

Physical properties
Physical form	Solid
LogP (XLogP3)	0.4
H-bond donors / acceptors	0 / 4
TPSA	58 Å²
Synonyms	2H-1,4-Thiazine, 4-nitroso-, 4Nitrosothiomorpholine, Morpholine, 4nitrosothio, Thiomorpholine, 4nitroso, Nitrosothiomorpholine, Morpholine, 4-nitrosothio-, 4-Nitroso-thiomorpholine

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H351Suspected of causing cancer

Precautionary statements: P203, P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P330, 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 N-Nitroso Thiomorpholine?

The CAS Registry Number of N-Nitroso Thiomorpholine is 26541-51-5. It is also known as 2H-1,4-Thiazine, 4-nitroso-, 4Nitrosothiomorpholine, Morpholine, 4nitrosothio.

What is the molecular formula and molecular weight of N-Nitroso Thiomorpholine?

N-Nitroso Thiomorpholine has the molecular formula C4H8N2OS and a molecular weight of 132.19 g/mol. Its IUPAC name is 4-nitrosothiomorpholine.

What is N-Nitroso Thiomorpholine used for?

N-Nitroso Thiomorpholine 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 N-Nitroso Thiomorpholine can I order?

We supply N-Nitroso Thiomorpholine 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 N-Nitroso Thiomorpholine?

Yes. Every lot of N-Nitroso Thiomorpholine 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 N-Nitroso Thiomorpholine be shipped internationally?

Yes. N-Nitroso Thiomorpholine 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.