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API Impurities

1-Azaphenothiazine

Reference StandardAvailable on request

Buy 1-Azaphenothiazine (CAS 261-96-1) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Part of our API Impurities range.

Pack sizes
1-Azaphenothiazine chemical structure
CAS number261-96-1
FormulaC11H8N2S
Molar mass200.26 g/mol
Physical formSolid
HS code38229090
InChIKeyUKDZROJJLPDLDO-UHFFFAOYSA-N
IUPAC name10H-pyrido[3,2-b][1,4]benzothiazine

About 1-Azaphenothiazine

1-Azaphenothiazine is part of the Zemixal API Impurities range. Key data (Reference Standard): CAS 261-96-1, formula C11H8N2S and molar mass 200.26 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Safe handling

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 1-Azaphenothiazine
Product name1-Azaphenothiazine
Catalogue numberZX-031335
CAS number261-96-1
IUPAC name10H-pyrido[3,2-b][1,4]benzothiazine
Molecular formulaC11H8N2S
Molar mass200.26 g/mol
Exact mass200.0408
GradeReference Standard
Physical formSolid
XLogP32.9
H-bond donors / acceptors1 / 3
Topological polar surface area50.2 Ų
HS code38229090
InChIKeyUKDZROJJLPDLDO-UHFFFAOYSA-N
SMILESC1=CC=C2C(=C1)NC3=C(S2)C=CC=N3
PubChem CID67496
Synonymsazaphenothiazine, 10H-Benzo[b]pyrido[2,3-e][1,4]thiazine, 10H-Pyrido(3,2-b)(1,4)benzothiazine, 1H-Pyrido[3,2-b][1,4]benzothiazine

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 1-Azaphenothiazine
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about 1-Azaphenothiazine

Which CAS number identifies 1-Azaphenothiazine?
1-Azaphenothiazine is registered under CAS 261-96-1. You may also see it listed as azaphenothiazine, 10H-Benzo[b]pyrido[2,3-e][1,4]thiazine, 10H-Pyrido(3,2-b)(1,4)benzothiazine. Our catalogue number for this item is ZX-031335.
What are the formula and molar mass of 1-Azaphenothiazine?
For 1-Azaphenothiazine, its formula is C11H8N2S and its molar mass is 200.26 g/mol. The systematic (IUPAC) name is 10H-pyrido[3,2-b][1,4]benzothiazine. InChIKey UKDZROJJLPDLDO-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for 1-Azaphenothiazine?
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 1-Azaphenothiazine?
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 1-Azaphenothiazine to my country?
Yes. Because 1-Azaphenothiazine 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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