Famotidine Sulfoxide

Name: Famotidine Sulfoxide
Brand: Vaqora Chemicals
SKU: VQ-025717

About Famotidine Sulfoxide

Vaqora Chemicals supplies Famotidine Sulfoxide, a metabolite or degradation product of Famotidine registered under CAS number 90237-03-9. The compound has the formula C8H15N7O3S3, corresponding to a molecular weight of 353.5 g/mol. The IUPAC name is 3-[[2-(diaminomethylideneamino)-1,3-thiazol-4-yl]methylsulfinyl]-N'-sulfamoylpropanimidamide. Common synonyms include Famotidine S-oxide.

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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Famotidine, as well as in QC testing and ANDA/DMF documentation. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Famotidine Sulfoxide in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Famotidine

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

Famotidine impurities

Specifications & identifiers

Chemical identifiers
Product name	Famotidine Sulfoxide
Catalogue No.	VQ-025717
CAS Number	90237-03-9
IUPAC name	3-[[2-(diaminomethylideneamino)-1,3-thiazol-4-yl]methylsulfinyl]-N'-sulfamoylpropanimidamide
Molecular formula	C₈H₁₅N₇O₃S₃
Molecular weight	353.5 g/mol
Exact mass	353.0399
Grade	Reference Standard
HSN code	38229090
InChIKey	LAZSSGBZNCVJCB-UHFFFAOYSA-N
SMILES	C1=C(N=C(S1)N=C(N)N)CS(=O)CC/C(=N/S(=O)(=O)N)/N
PubChem CID	13949559

Physical properties
Physical form	Solid
LogP (XLogP3)	-2.1
H-bond donors / acceptors	4 / 9
TPSA	249 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 Famotidine Sulfoxide?

The CAS Registry Number of Famotidine Sulfoxide is 90237-03-9. It is also known as Famotidine S-oxide, 3-(((2-Guanidinothiazol-4-yl)methyl)sulfinyl)-N-sulfamoylpropanimidamide.

What is the molecular formula and molecular weight of Famotidine Sulfoxide?

Famotidine Sulfoxide has the molecular formula C8H15N7O3S3 and a molecular weight of 353.5 g/mol. Its IUPAC name is 3-[[2-(diaminomethylideneamino)-1,3-thiazol-4-yl]methylsulfinyl]-N'-sulfamoylpropanimidamide.

What is Famotidine Sulfoxide used for?

Famotidine Sulfoxide is supplied as a characterised reference material related to Famotidine. 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 Famotidine Sulfoxide can I order?

We supply Famotidine Sulfoxide 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 Famotidine Sulfoxide?

Yes. Every lot of Famotidine Sulfoxide 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 Famotidine Sulfoxide be shipped internationally?

Yes. Famotidine Sulfoxide 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.