Dorzolamide Impurity B

Name: Dorzolamide Impurity B
Brand: Zemixal
SKU: ZX-021465

Reference StandardAvailable on request

Dorzolamide Impurity B (CAS 149249-72-9) supplier Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.

Pack sizes

Dorzolamide Impurity B chemical structure

CAS number149249-72-9

FormulaC₁₀H₁₆N₂O₄S₃

Molar mass324.4 g/mol

Physical formSolid

HS code38229090

InChIKeyIAVUPMFITXYVAF-POYBYMJQSA-N

IUPAC name(4R,6S)-4-(ethylamino)-6-methyl-7,7-dioxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide

About Dorzolamide Impurity B

Analytical teams working on Dorzolamide use Dorzolamide Impurity B as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 149249-72-9, formula C10H16N2O4S3 and molar mass 324.4 g/mol. It is handled as a solid.

Where it is used

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

Handling and storage

Hazard communication follows GHS (Warning: H302). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Dorzolamide

See every impurity, metabolite and related compound we list for this API.

Dorzolamide standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Dorzolamide Impurity B
Product name	Dorzolamide Impurity B
Catalogue number	ZX-021465
CAS number	149249-72-9
IUPAC name	(4R,6S)-4-(ethylamino)-6-methyl-7,7-dioxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide
Molecular formula	C₁₀H₁₆N₂O₄S₃
Molar mass	324.4 g/mol
Exact mass	324.0272
Grade	Reference Standard
Physical form	Solid
XLogP3	0.4
H-bond donors / acceptors	2 / 7
Topological polar surface area	151 Å²
HS code	38229090
InChIKey	IAVUPMFITXYVAF-POYBYMJQSA-N
SMILES	CCN[C@@H]1C[C@@H](S(=O)(=O)C2=C1C=C(S2)S(=O)(=O)N)C
PubChem CID	6604453
Synonyms	(4R)-Dorzolamide, (4R, 6S)-Dorzolamide EP Impurity B, Dorzolamide, (+/-)-(cis)-, (+/-)-(cis)-dorzolamide, (+/-)-(Cis)-4R,6R-dorzolamide, rac-cis-Dorzolamide

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Dorzolamide Impurity B
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Dorzolamide Impurity B

Which CAS number identifies Dorzolamide Impurity B?

Dorzolamide Impurity B is registered under CAS 149249-72-9. You may also see it listed as (4R)-Dorzolamide, (4R, 6S)-Dorzolamide EP Impurity B, Dorzolamide, (+/-)-(cis)-. Our catalogue number for this item is ZX-021465.

What are the formula and molar mass of Dorzolamide Impurity B?

For Dorzolamide Impurity B, its formula is C10H16N2O4S3 and its molar mass is 324.4 g/mol. The systematic (IUPAC) name is (4R,6S)-4-(ethylamino)-6-methyl-7,7-dioxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide. InChIKey IAVUPMFITXYVAF-POYBYMJQSA-N lets you match it in any structure database.

How is Dorzolamide Impurity B used in pharmaceutical QC?

Dorzolamide Impurity B is a characterised reference material linked to Dorzolamide. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Dorzolamide Impurity B?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Dorzolamide Impurity B?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Dorzolamide Impurity B to my country?

Yes. Because Dorzolamide Impurity B is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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