Chemical Intermediates

CAS No.: 317-20-4 | Molecular Weight: 165.12 g/mol

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1. Chemical Identification

Property	Specification
IUPAC Name	7-Fluoro-1H-indole-2,3-dione
Common Name	7-Fluoroisatin
Synonyms	7-Fluoro-2,3-indolinedione; 7-Fluoroindole-2,3-dione
Molecular Formula	C₈H₄FNO₂
CAS No.	317-20-4
EINECS	206-256-5

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2. Physical & Chemical Properties

Parameter	Value
Appearance	Pale yellow to beige crystalline powder
Purity (HPLC)	≥95%
Melting Point	192-196°C
Solubility	Soluble in DMSO, DMF; sparingly soluble in ethanol
Storage	2-8°C in airtight container, protect from light

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3. Production & Supply

Parameter	Detail
Annual Capacity	200 metric tons
MOQ	100g
Packaging	100g (amber glass bottle), 1kg (double PE bag), 25kg (fiber drum)

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4. Quality Standards

Test	Specification
Purity (HPLC)	≥95.0%
Related Substances	≤5.0% total
Heavy Metals	≤10 ppm
Loss on Drying	≤0.5%

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5. Applications

• Pharmaceutical Intermediate:
  • Key building block for cardio-cerebrovascular drugs
  • Precursor for anti-inflammatory and antiseptic agents
• Organic Synthesis:
  • Fluorinated heterocycle for medicinal chemistry research

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