Timolol EP Impurity G

Name: Timolol EP Impurity G
Brand: Vaqora Chemicals
SKU: VQ-034275

About Timolol EP Impurity G

Timolol EP Impurity G (CAS 75202-36-7) is a pharmacopeial impurity of Timolol offered by Vaqora Chemicals. The compound has the formula C6H9N3O3S, corresponding to a molecular weight of 203.22 g/mol. Its systematic (IUPAC) name is 4-morpholin-4-yl-1-oxo-1,2,5-thiadiazol-3-one. Alternative names: Timolol Impurity G and Timolol Maleate - Impurity G (Freebase).

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Pharmaceutical QC and development laboratories use this impurity standard of Timolol to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Timolol EP Impurity G in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Timolol

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

Timolol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Timolol EP Impurity G
Catalogue No.	VQ-034275
CAS Number	75202-36-7
IUPAC name	4-morpholin-4-yl-1-oxo-1,2,5-thiadiazol-3-one
Molecular formula	C₆H₉N₃O₃S
Molecular weight	203.22 g/mol
Exact mass	203.0365
Grade	Reference Standard
HSN code	38229090
InChIKey	AAYSTAZTUCBWCK-UHFFFAOYSA-N
SMILES	C1COCCN1C2=NS(=O)NC2=O
PubChem CID	15961581

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.3
H-bond donors / acceptors	1 / 5
TPSA	90.2 Å²
Synonyms	Timolol Impurity G, Timolol Maleate - Impurity G (Freebase), 4-(Morpholin-4-yl)-1,2,5-thiadiazol-3(2H)-one 1-oxide, 1,2,5-Thiadiazol-3(2H)-one, 4-(4-morpholinyl)-, 1-oxide, 3-Hydroxy-4-morpholino-1,2,5-thiadiazole 1-Oxide, Timolol Maleate Impurity G, 4-Morpholino-1,2,5-thiadiazol-3(2H)-one 1-oxide, 4-(4-Morpholinyl)-1,2,5-thiadiazol-3(2H)-one 1-Oxide, 4-morpholino-1-oxo-1,2,5-thiadiazol-3-one

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, 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 Timolol EP Impurity G?

The CAS Registry Number of Timolol EP Impurity G is 75202-36-7. It is also known as Timolol Impurity G, Timolol Maleate - Impurity G (Freebase), 4-(Morpholin-4-yl)-1,2,5-thiadiazol-3(2H)-one 1-oxide.

What is the molecular formula and molecular weight of Timolol EP Impurity G?

Timolol EP Impurity G has the molecular formula C6H9N3O3S and a molecular weight of 203.22 g/mol. Its IUPAC name is 4-morpholin-4-yl-1-oxo-1,2,5-thiadiazol-3-one.

What is Timolol EP Impurity G used for?

Timolol EP Impurity G is supplied as a characterised reference material related to Timolol. 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 Timolol EP Impurity G can I order?

We supply Timolol EP Impurity G 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 Timolol EP Impurity G?

Yes. Every lot of Timolol EP Impurity G 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 Timolol EP Impurity G be shipped internationally?

Yes. Timolol EP Impurity G 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.