Isatin 98% Medical Grade - Premium Supplier & Factory in China for Pharmaceutical Applications
Product Attributes
1. Chemical Name
1H-Indole-2,3-dione / 2,3-Indolinedione
1H-Indole-2,3-dione / 2,3-Indolinedione
2. Application Grade
Pharmaceutical Synthesis / Biomedical Research
Pharmaceutical Synthesis / Biomedical Research
3. Molecular Formula
C8H5NO2
C8H5NO2
4. Physical Form
Solid / Crystalline Powder
Solid / Crystalline Powder
5. Packaging
25 kg / Fiber Drum (Inner PE bag) or tailored for pharmaceutical requirements
25 kg / Fiber Drum (Inner PE bag) or tailored for pharmaceutical requirements
Performance Data:
| Product Name | Assay (Purity) | Melting Point | Moisture | Ash Content | Molecular Weight | pH (Aqueous) |
| Isatin Medical Grade | ≥ 98.0% (GC/HPLC) | 198.0 - 204.0 °C | ≤ 0.5% | ≤ 0.2% | 147.13 | 6.5 - 7.5 |
Product Description
SHENGYU® Isatin (Medical Grade, CAS 91-56-5) is a highly purified premium organic compound, presenting as a light yellow to red crystalline powder. With a standard purity of ≥98% and the capability for 99% custom refinement, it is meticulously engineered to meet the stringent demands of the pharmaceutical industry and biomedical research. As a versatile heterocyclic compound featuring a distinctive indole-2,3-dione backbone, isatin is recognized as a privileged scaffold in medicinal chemistry.
This premium grade serves as a critical building block in the synthesis of a diverse array of therapeutic drugs. Its derivatives exhibit profound pharmacological properties, functioning effectively in the development of antiviral, antibacterial, anticonvulsant, and anticancer agents. Furthermore, it is heavily utilized in formulating treatments for neurological conditions, including antidepressants and anti-epileptic therapies. Shengyu Chemical provides this exceptional intermediate with unparalleled consistency, enabling pharmaceutical laboratories to execute complex derivatizations, such as Schiff base formations and heterocyclic condensations, with maximum yield and precision.
This premium grade serves as a critical building block in the synthesis of a diverse array of therapeutic drugs. Its derivatives exhibit profound pharmacological properties, functioning effectively in the development of antiviral, antibacterial, anticonvulsant, and anticancer agents. Furthermore, it is heavily utilized in formulating treatments for neurological conditions, including antidepressants and anti-epileptic therapies. Shengyu Chemical provides this exceptional intermediate with unparalleled consistency, enabling pharmaceutical laboratories to execute complex derivatizations, such as Schiff base formations and heterocyclic condensations, with maximum yield and precision.
Key Features and Performance
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Pharmaceutical-Grade Purity: Maintains a minimum purity of 98% (GC/HPLC), with customized 99% options, minimizing impurities in critical API synthesis.
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Broad-Spectrum Bioactivity Precursor: Vital for synthesizing drug molecules with antiviral, antibacterial, and anti-inflammatory properties.
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Neurological & Oncological Applications: Its derivatives are actively used in the formulation of modern antidepressants, anticonvulsants, and targeted anticancer therapeutics.
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Highly Reactive Scaffold: The 2,3-indolinedione structure easily undergoes chemical modifications, making it an ideal precursor for complex indolic and quinolinic compounds.
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Rigorous Quality Assurance: Supplied by Shengyu Chemical under stringent quality protocols, ensuring the exact melting point range (198–204 °C) and structural integrity necessary for medical compliance.
Technical Support
We have professional technical team which support target samples testing from customers around the World. Counter samples will be provided after evaluation. Meanwhile customization service is available in our factory. What's more, we can also provide pre-shipment samples for new customers during our 1st cooperation.
Package and Shipment
Package
Packing: 25kg, 50kg, 125kg plastic barrels with pallets
Shipment
Whether you have your own freight forwarder or you would like us to organize shipment; whether you require delivery FOB to a port in China or CIF to a port near you, we are happy to quote and supply whichever way you choose. Please feel free to discuss all options with us.
Our delivery time: Within 20 days after receipt of T/T or L/C bank copy.
Our delivery time: Within 20 days after receipt of T/T or L/C bank copy.
Frequently Asked Questions (FAQ)
Q
What is the purity level of SHENGYU® Isatin Medical Grade, and can it be customized?
SHENGYU® Isatin Medical Grade has a standard purity of ≥98% as verified by GC/HPLC analysis. For applications requiring even higher purity, Shengyu Chemical offers a customized 99% refinement option to meet the most stringent pharmaceutical and biomedical research requirements.
Q
What are the primary pharmaceutical applications of Isatin (CAS 91-56-5)?
Isatin is a privileged scaffold in medicinal chemistry widely used as a building block for synthesizing antiviral, antibacterial, anticonvulsant, and anticancer drug candidates. Its derivatives also play a significant role in formulating treatments for neurological conditions, including antidepressants and anti-epileptic agents.
Q
What packaging options are available for Isatin Medical Grade?
The standard packaging is 25 kg per fiber drum with an inner PE bag. Custom packaging options tailored to pharmaceutical requirements are also available — including 25 kg, 50 kg, and 125 kg plastic barrels with pallets — to accommodate different order sizes and handling needs.
Q
Does Shengyu Chemical provide technical support and pre-shipment samples?
Yes. Shengyu Chemical has a professional technical team that supports target sample testing for customers worldwide. Counter samples are provided after evaluation, and pre-shipment samples are available for new customers during the first cooperation. Customization services are also offered directly from the factory.
Q
What are the shipping terms and estimated delivery time?
Shengyu Chemical supports flexible shipping arrangements, including FOB (port in China) and CIF (port of destination). Customers may use their own freight forwarder or have Shengyu organize the shipment. The standard delivery time is within 20 days after receipt of T/T payment or L/C bank copy.
Q
What quality standards does SHENGYU® Isatin Medical Grade conform to?
SHENGYU® Isatin Medical Grade is produced under stringent quality control protocols. Key specifications include a verified melting point range of 198–204 °C, moisture content ≤0.5%, ash content ≤0.2%, and a pH (aqueous) of 6.5–7.5. These parameters ensure consistent structural integrity and compliance with pharmaceutical manufacturing standards.