Name: 9-Methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one
Brand: Kalpasthana Life Care Products
SKU: CAS-27387-31-1
Availability: InStock

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

9-Methyl Carbazolone (Ondansetron Related Compound C)

CAS No: 27387-31-1

A high-purity pharmaceutical intermediate (commonly referred to as 9-Methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one or 9-methyl-carbazol-4-one) 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 Request Brochure

Product Specifications

Product Name	9-Methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one
Synonyms / Abbreviations	9-Methyl Carbazolone, Ondansetron Related Compound C, 9-methyl-carbazol-4-one, 1,2,3,9-Tetrahydro-9-methyl-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.

Product Specifications & Procurement FAQs

Detailed quality specifications, compliance data, and procurement answers for pharma sourcing professionals.

Quality & Technical Specifications

Chemical Synonyms	9-methyl-carbazol-4-one, Ondansetron intermediate, Ondansetron Related Compound C, Ondansetron KSM
Manufacturing Location	Kalpasthana Life Care Products, Plot no 105, Part A, KIADB Industrial Area, Humnabad, Bidar District, Karnataka, India - 585330
Compliance & Quality	GMP-compliant state-of-the-art facility, rigorous HPLC purity standards ≥99.0%.
Commercial Packaging	Standard 25 kg HDPE fiber drums with double polythene inner bags; custom B2B packaging available.

Frequently Asked Questions

What is the commercial importance of 9-Methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one (CAS 27387-31-1) in anti-emetic manufacturing?

9-Methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one (9-Methyl Carbazolone) is the primary Key Starting Material (KSM) for the industrial synthesis of Ondansetron (Zofran). Sourcing high-purity KSM directly influences the reaction efficiency of the subsequent amine condensation and final API yield.

What are the chemical specifications and purity testing protocols for 9-Methyl Carbazolone?

We manufacture 9-Methyl Carbazolone with an HPLC purity of ≥99.0%, controlled via strict gas chromatography (GC) and high-performance liquid chromatography (HPLC) methods. Impurity thresholds are strictly kept within pharmacopeia limits. Batch COA, MSDS, and HPLC chromatograms are standard with all shipments.

What are the B2B supply logistics and packaging standards for 9-Methyl Carbazolone?

Sourced from our ISO-compliant manufacturing plant in Karnataka, India, it is packed in standard 25 kg HDPE fiber drums with double polythene bags. We offer custom packaging, scaling up to multi-ton commercial contracts with robust lead-time commitments.

We are a leading API intermediate manufacturer in India, committed to delivering top-quality pharmaceutical and healthcare solutions globally.

Quick Links

Key Products

Contact Us

kalpasthanalifecareproducts@gmail.com
+91 7019420005
Plot no 105, Part A,
KIADB, Humnabad, Karnataka 585330

9-Methyl Carbazolone (9-Methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one) Manufacturer India