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Ondansetron Related Compound D (CAS 99614-64-9) functions as a vital alpha-methylene ketone precursor in the API intermediates market, primarily utilized for the synthesis of 5-HT3 receptor antagonists where a Pharma purity of 99% is mandatory to ensure final drug safety and efficacy. 9-Methyl-3-methylene-1,2,3,9-tetrahydro-4H-carbazol-4-one is increasingly integrated into advanced custom synthesis services across the United States as domestic manufacturers prioritize high purity fine chemicals to meet rigorous USP and FDA standards while reducing dependence on overseas supply chains. 1,2,3,9-Tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one has emerged as a high-demand substrate for any leading bulk chemical supplier supporting the robust growth of American CDMOs, reflecting a strategic shift toward localized production of semi-finished antiemetic formulations and enhanced regulatory compliance. We are an established 1,2,3,9-Tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one intermediates supplier with >= 99% purity in the united states, ensuring minimal carry-over of impurities in the final API, and a broad range of various pharmaceutical intermediates for API manufacturers and finished formulators, providing comprehensive analytical (HPLC/NMR/MS) and supporting 1,2,3,9-Tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one COA/TDS/SDS region-specific regulatory support. reliable lead times, worldwide supply chain capabilities
Ondansetron Related Compound D (CAS 99614-64-9) functions as a vital alpha-methylene ketone precursor in the API intermediates market, primarily utilized for the synthesis of 5-HT3 receptor antagonists where a Pharma purity of 99% is mandatory to ensure final drug safety and efficacy. 9-Methyl-3-methylene-1,2,3,9-tetrahydro-4H-carbazol-4-one is increasingly integrated into advanced custom synthesis services across the United States as domestic manufacturers prioritize high purity fine chemicals to meet rigorous USP and FDA standards while reducing dependence on overseas supply chains. 1,2,3,9-Tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one has emerged as a high-demand substrate for any lea...
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Pharmaceutical
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Pharmaceutical Actives & Precursors
Intermediates & Precursors
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Chemical Properties & Specifications
P261, P264, P270, P272, P280, P301+P316, P302+P352, P321, P330, P333+P317, P362+P364, P405, and P501
Acute Tox. 3 (97.5%)
Skin Sens. 1 (95%)
1,2,3,9-Tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one is a key intermediate in the rapid, high-yielding synthesis of ondansetron, a selective 5-HT3 receptor antagonist used to treat nausea and vomiting
The compound is utilized as a certified reference material and pharmaceutical secondary standard (Ondansetron Related Compound D) for quality control, method development, and stability testing in pharmaceutical laboratories
It serves as a bioactive small molecule and building block in organic synthesis for the development of carbazole-based derivatives and anti-tumor drug impurities.
1,2,3,9-Tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one, also known as Ondansetron Related Compound D, is a pharmaceutical impurity used primarily as a reference standard for quality control and as an intermediate in the chemical synthesis of the antiemetic drug Ondansetron
This chemical is widely utilized in the pharmaceutical, biotechnology, and life sciences research industries for drug development and analytical testing
It is typically provided as a neat crystalline solid compatible with organic solvents and is used in laboratory-scale synthesis or as an analytical reference material
Standard specifications include CAS number 99614-64-9, high purity (typically >=95%), and documentation such as COA, TDS, impurity reports, and regulatory compliance documents
Scimplify has capabilities for global distribution and custom synthesis through an integrated network of manufacturers and logistics partners with reliable lead time
The product is export ready with a standard MOQ starting from 100 kgs, with lead times for international customers depending on the specific shipping destination.
Category : Pharmaceutical Actives & Precursors
Sub-Category : Intermediates & Precursors
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