4′-Hydroxybutyranilide
4′-Hydroxybutyranilide (CAS 101-91-7) is a chemical compound with the linear formula CH3CH2CH2CONHC6H4OH and a molecular weight of 179.22 g/mol. This amide is recognised for its utility as a building block in organic synthesis. It finds application in research and development settings, particularly within the fields of chemical synthesis and the creation of specialised organic molecules. Its defined structure and reactive functional groups make it a valuable intermediate.

Organic Synthesis Intermediate
4′-Hydroxybutyranilide serves as a crucial intermediate in multi-step organic synthesis pathways. Its functional groups allow for various chemical transformations.
Research and Development
Utilised in laboratory settings for the exploration of new chemical entities and reaction methodologies. It contributes to advancements in synthetic chemistry.
Building Block for Complex Molecules
Acts as a foundational component in the construction of more complex organic structures, aiding chemists in targeted molecular design.
| Molecular weight | 179.22 |
|---|---|
| Linear formula | CH3CH2CH2CONHC6H4OH |
| Assay | 97% |
| Melting point | 137-141 °C(lit.) |

Hazard statements
- 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 |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 4′-Hydroxybutyranilide used for?
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4′-Hydroxybutyranilide is primarily used as an intermediate in organic synthesis and as a building block for creating more complex molecules in research and development settings.
What is the CAS number and formula for 4′-Hydroxybutyranilide?
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The CAS number for 4′-Hydroxybutyranilide is 101-91-7, and its linear formula is CH3CH2CH2CONHC6H4OH.
What grade and purity does Tech Serve Solutions supply for 4′-Hydroxybutyranilide?
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Tech Serve Solutions supplies 4′-Hydroxybutyranilide with an assay of 97%. This product is suitable for research and technical applications. We do not represent this product as USP, BP, or EP grade.
How should 4′-Hydroxybutyranilide be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation. Avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes. If inhaled, move to fresh air.
Is 4′-Hydroxybutyranilide a controlled substance?
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The provided data does not indicate that 4′-Hydroxybutyranilide (CAS 101-91-7) is a controlled substance.
How is 4′-Hydroxybutyranilide packed and shipped?
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4′-Hydroxybutyranilide is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for 4′-Hydroxybutyranilide?
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Please contact the Tech Serve Solutions sales team via our website or direct inquiry channels to request a sample or a formal quotation for 4′-Hydroxybutyranilide.
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