Indoline-7-carboxaldehyde
Indoline-7-carboxaldehyde (CAS: 143262-21-9, C9H9NO) is a valuable organic building block with a molecular weight of 147.17 g/mol. As an aldehyde derivative of indoline, it serves as a key starting material in the synthesis of various complex molecules. Its primary utility lies in indoline chemistry, enabling researchers and chemists to construct novel compounds for diverse applications in chemical synthesis and drug discovery.
- IUPAC
- 2,3-Dihydro-1H-indole-7-carbaldehyde
- Synonyms
- 2,3-Dihydro-1H-indole-7-carbaldehyde

Indoline Chemistry
Indoline-7-carboxaldehyde is a foundational compound for researchers working within indoline chemistry. It provides a reactive aldehyde functionality on the indoline scaffold, facilitating further chemical transformations and the construction of more elaborate molecular architectures.
Organic Synthesis
This compound is frequently employed as a versatile building block in multi-step organic synthesis. Its structure allows for a range of reactions, making it instrumental in creating diverse organic molecules for research and development purposes.
Pharmaceutical Intermediate Development
As a heterocycle derivative, Indoline-7-carboxaldehyde can serve as an intermediate in the development pathways of potential pharmaceutical agents. Its specific structural features are often sought after in medicinal chemistry research.
| Molecular weight | 147.17 |
|---|---|
| Empirical formula | C9H9NO |
| Assay | 97% |
| Application | Useful starter in indoline chemistry.1,2 |
| Melting point | 46-50 °C |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | >110 °C / >230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38-52/53 |
| Safety statements (S) | 26-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Indoline-7-carboxaldehyde used for?
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Indoline-7-carboxaldehyde is primarily used as a starter material in indoline chemistry and as a versatile building block in general organic synthesis, particularly for developing new molecules in pharmaceutical research.
What is the CAS number and chemical formula for Indoline-7-carboxaldehyde?
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The CAS number for Indoline-7-carboxaldehyde is 143262-21-9, and its chemical formula is C9H9NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Indoline-7-carboxaldehyde with a minimum purity of 97%. This product is intended for research and technical use and is not supplied as USP, BP, EP, or any other pharmacopoeial grade.
What are the safety and handling considerations for Indoline-7-carboxaldehyde?
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Indoline-7-carboxaldehyde is classified as a Warning substance, with hazards including being harmful if swallowed (H302), causing skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment such as a dust mask (N95), eyeshields, and gloves should be worn during handling. Ensure good ventilation and avoid dust formation.
How is Indoline-7-carboxaldehyde packed and shipped?
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Indoline-7-carboxaldehyde is carefully packed to ensure stability during transit and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical compounds.
How can I request a quote or sample of Indoline-7-carboxaldehyde?
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To request a quote or a sample of Indoline-7-carboxaldehyde, please contact our sales team through the website or by phone, providing your contact details and required quantity.
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