Plot no 105, Part A, Karnataka Industrial Area Developement Board, Humnabad, Karnataka 585330
Chemical Structure of 9-Methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one

9-Methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one

CAS No: 27387-31-1

A high-purity pharmaceutical intermediate used as a key starting material (KSM) for Ondansetron synthesis.

This modified carbazole derivative is essential for the production of Ondansetron, a highly effective anti-emetic drug. Kalpasthana Life Care Products ensures rigorous quality control and high purity to support efficient API manufacturing.

Request a Quote Download Brochure

Product Specifications

Product Name 9-Methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one
CAS Number 27387-31-1
Molecular Formula C13H13NO
Molecular Weight 199.25 g/mol
Appearance White to Off-white Crystalline Powder
Purity (HPLC) ≥ 99.0%
Melting Point 88°C - 92°C

Applications & Usage

This compound is the primary intermediate for synthesizing Ondansetron (Zofran), a medication used to prevent nausea and vomiting caused by cancer chemotherapy, radiation therapy, and surgery.

Key Features
  • Ondansetron KSM: Critical precursor for the manufacturing of Ondansetron API.
  • High Purity: Manufactured with strict impurity controls to ensure downstream process efficiency.
  • Reliable Supply: Produced in bulk quantities at our dedicated facility in Karnataka.
Kalpasthana Life Care Footer Logo

We are committed to delivering top-quality pharmaceuticals and healthcare solutions. Contact us to learn more about our products and services.

Quick Links
Support
Contact Us

Copyright ©2026 Kalpasthana Life Care Products Pvt. Ltd.
All Rights Reserved