10H-Phenothiazine 5,5-dioxide

Name: 10H-Phenothiazine 5,5-dioxide
Brand: Zemixal
SKU: ZX-031822

Reference StandardAvailable on request

10H-Phenothiazine 5,5-dioxide (CAS 1209-66-1) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes

10H-Phenothiazine 5,5-dioxide chemical structure

CAS number1209-66-1

FormulaC₁₂H₉NO₂S

Molar mass231.27 g/mol

Physical formSolid

HS code38229090

InChIKeyZAYUOSICZWFJSW-UHFFFAOYSA-N

IUPAC name10H-phenothiazine 5,5-dioxide

About 10H-Phenothiazine 5,5-dioxide

10H-Phenothiazine 5,5-dioxide belongs to the Promethazine reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 1209-66-1, formula C12H9NO2S and molar mass 231.27 g/mol. It is handled as a solid.

Where it is used

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

Storage and safety notes

Hazard communication follows GHS (Warning: H315 and H319). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Promethazine

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

Promethazine 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 10H-Phenothiazine 5,5-dioxide
Product name	10H-Phenothiazine 5,5-dioxide
Catalogue number	ZX-031822
CAS number	1209-66-1
IUPAC name	10H-phenothiazine 5,5-dioxide
Molecular formula	C₁₂H₉NO₂S
Molar mass	231.27 g/mol
Exact mass	231.0354
Grade	Reference Standard
Physical form	Solid
XLogP3	2.3
H-bond donors / acceptors	1 / 3
Topological polar surface area	54.6 Å²
HS code	38229090
InChIKey	ZAYUOSICZWFJSW-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)NC3=CC=CC=C3S2(=O)=O
PubChem CID	71024
Synonyms	Phenothiazine -dioxide, Phenothiazine 5,5-dioxide, 5,5-Dioxophenothiazine, phenothiazine s,s-dioxide, 5,5-Dioxo-10H-phenothiazine, Phenothiazine dioxide, phenothiazine-s,s-dioxide, 10H-dibenzo[b,e]1,4-thiazine-5,5-dione

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

H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

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 10H-Phenothiazine 5,5-dioxide
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 10H-Phenothiazine 5,5-dioxide

Which CAS number identifies 10H-Phenothiazine 5,5-dioxide?

10H-Phenothiazine 5,5-dioxide is registered under CAS 1209-66-1. You may also see it listed as Phenothiazine -dioxide, Phenothiazine 5,5-dioxide, 5,5-Dioxophenothiazine. Our catalogue number for this item is ZX-031822.

What are the formula and molar mass of 10H-Phenothiazine 5,5-dioxide?

For 10H-Phenothiazine 5,5-dioxide, its formula is C12H9NO2S and its molar mass is 231.27 g/mol. The systematic (IUPAC) name is 10H-phenothiazine 5,5-dioxide. InChIKey ZAYUOSICZWFJSW-UHFFFAOYSA-N lets you match it in any structure database.

How is 10H-Phenothiazine 5,5-dioxide used in pharmaceutical QC?

10H-Phenothiazine 5,5-dioxide is a characterised reference material linked to Promethazine. 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 10H-Phenothiazine 5,5-dioxide?

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 10H-Phenothiazine 5,5-dioxide?

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 10H-Phenothiazine 5,5-dioxide to my country?

Yes. Because 10H-Phenothiazine 5,5-dioxide 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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