(4R)-N-Nitroso Thiazolidine-4-carboxylic Acid 86594-16-3

Name: (4R)-N-Nitroso Thiazolidine-4-carboxylic Acid
Brand: Vaqora Chemicals
SKU: VQ-034983

About (4R)-N-Nitroso Thiazolidine-4-carboxylic Acid

Vaqora Chemicals supplies (4R)-N-Nitroso Thiazolidine-4-carboxylic Acid, a nitrosamine impurity of Pidotimod registered under CAS number 86594-16-3. With the molecular formula C4H6N2O3S, it has a molar mass of 162.17 g/mol. Systematically, it is named (4R)-3-nitroso-1,3-thiazolidine-4-carboxylic acid. Common synonyms include N-Nitrosothioproline and N-Nitroso-L-thioproline.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

It is used as a reference standard for trace-level detection and quantitation of nitrosamine impurities by LC-MS/MS or GC-MS, supporting nitrosamine risk assessments for Pidotimod, method validation (AMV) and regulatory filings. Our customers for this product work in 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 Pidotimod

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

Pidotimod impurities

Specifications & identifiers

Chemical identifiers
Product name	(4R)-N-Nitroso Thiazolidine-4-carboxylic Acid
Catalogue No.	VQ-034983
CAS Number	86594-16-3
IUPAC name	(4R)-3-nitroso-1,3-thiazolidine-4-carboxylic acid
Molecular formula	C₄H₆N₂O₃S
Molecular weight	162.17 g/mol
Exact mass	162.0099
Grade	Reference Standard
HSN code	38229090
InChIKey	LGLMHMRNPVACGS-VKHMYHEASA-N
SMILES	C1[C@H](N(CS1)N=O)C(=O)O
PubChem CID	128827

Physical properties
Physical form	Solid
LogP (XLogP3)	0.3
H-bond donors / acceptors	1 / 6
TPSA	95.3 Å²
Synonyms	(4R)-N-Nitroso Thiazolidine-4-carboxylic Acid (Mix of isomer), N-Nitrosothioproline, N-Nitroso-L-thioproline, 4-Thiazolidinecarboxylic acid, 3-nitroso-, (R)-, 4-Thiazolidinecarboxylic acid, 3-nitroso-, (4R)-

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 (4R)-N-Nitroso Thiazolidine-4-carboxylic Acid?

The CAS Registry Number of (4R)-N-Nitroso Thiazolidine-4-carboxylic Acid is 86594-16-3. It is also known as (4R)-N-Nitroso Thiazolidine-4-carboxylic Acid (Mix of isomer), N-Nitrosothioproline, N-Nitroso-L-thioproline.

What is the molecular formula and molecular weight of (4R)-N-Nitroso Thiazolidine-4-carboxylic Acid?

(4R)-N-Nitroso Thiazolidine-4-carboxylic Acid has the molecular formula C4H6N2O3S and a molecular weight of 162.17 g/mol. Its IUPAC name is (4R)-3-nitroso-1,3-thiazolidine-4-carboxylic acid.

What is (4R)-N-Nitroso Thiazolidine-4-carboxylic Acid used for?

(4R)-N-Nitroso Thiazolidine-4-carboxylic Acid is supplied as a characterised reference material related to Pidotimod. 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 (4R)-N-Nitroso Thiazolidine-4-carboxylic Acid can I order?

We supply (4R)-N-Nitroso Thiazolidine-4-carboxylic 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 (4R)-N-Nitroso Thiazolidine-4-carboxylic Acid?

Yes. Every lot of (4R)-N-Nitroso Thiazolidine-4-carboxylic 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 (4R)-N-Nitroso Thiazolidine-4-carboxylic Acid be shipped internationally?

Yes. We export (4R)-N-Nitroso Thiazolidine-4-carboxylic Acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.