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Molekula

Molekula

Ondansetron Hydrochloride - USP CRS

SKU 90037163 CAS 103639-04-9 C18H19N3O · HCl · 2H2O MW 365.85 Made to order Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Ondansetron Hydrochloride USP CRS is a selective 5-HT3 receptor antagonist used primarily as an antiemetic to prevent nausea and vomiting caused by chemotherapy, radiation therapy, and postoperative recovery. This reference standard meets USP specifications, ensuring high purity for analytical and pharmaceutical applications. CAS 103639-04-9, molecular formula C18H19N3O·HCl·2H2O, molecular weight 365.85 g/mol, requiring storage at 2–8°C. Hazardous—handle with care (Signal Word: Danger). Molekula supplies Ondansetron Hydrochloride USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

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Specifications

Property Value
Appearance White to Off-white powder

Storage & handling

Property Value
Storage Temperature 2 to 8 °C
Transport Class 6.1
Packing Group III
Acidity Neutral

Identification

Property Value
SKU 90037163
CAS Number 103639-04-9
Molecular Formula C18H19N3O · HCl · 2H2O
Molecular Weight 365.85
SMILES CC1=NC=CN1CC2CCC3=C(C2=O)C4=CC=CC=C4N3C.O.O.Cl
UN Number UN2811
REACH Code Y110
HTS Code 29332920
Tariff Code 2933299090

Safety & GHS

Danger
  • GHS pictogram — Corrosive Corrosive GHS05
  • GHS pictogram — Toxic Toxic GHS06
  • GHS pictogram — Hazardous to the Environment Hazardous to the Environment GHS09

Hazard statements

  • H301 Toxic if swallowed
  • H318 Causes serious eye damage
  • H400 Very toxic to aquatic life
  • H410 Very toxic to aquatic life with long lasting effects

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P273 Avoid release to the environment
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

Documents

Safety Data Sheets (SDS)

Available in English, French, German, Italian, Spanish.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is Ondansetron Hydrochloride USP CRS primarily used for?

Ondansetron Hydrochloride USP CRS is primarily used as an antiemetic to prevent nausea and vomiting caused by chemotherapy, radiation therapy, and postoperative recovery.

What is the chemical formula and molecular weight of Ondansetron Hydrochloride USP CRS?

The chemical formula is **C₁₈H₁₉N₃O · HCl · 2H₂O**, and the molecular weight is **365.85 g/mol**.

How should Ondansetron Hydrochloride USP CRS be stored?

Store at **2 to 8°C** in a dry, well-ventilated area, away from incompatible substances.

What grade of Ondansetron Hydrochloride does Molekula supply, and what does 'USP CRS' mean?

Molekula supplies **USP CRS (United States Pharmacopeia Chemical Reference Substance)**, a high-purity grade for analytical and pharmaceutical reference standards.

Can Molekula supply Ondansetron Hydrochloride USP CRS in bulk quantities?

Yes, Molekula can supply Ondansetron Hydrochloride USP CRS in bulk, subject to availability and order requirements.

What documentation comes with an order of Ondansetron Hydrochloride USP CRS?

Each order includes a **Certificate of Analysis (CoA)**, Safety Data Sheet (SDS), and batch-specific documentation confirming USP CRS compliance.

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