N-Boc-4-isothiocyanatobutylamine
N-Boc-4-isothiocyanatobutylamine (CAS: 247035-47-8; C10H18N2O2S) is a versatile organic compound featuring a protected amine and an isothiocyanate functional group. This structure makes it valuable in chemical synthesis and chemical biology for introducing specific functionalities. With a molecular weight of 230.33 g/mol, it serves as a key building block in the development of complex molecules and bioconjugates.
- IUPAC
- tert-Butyl N-(4-isothiocyanatobutyl)carbamate,Boc-4-aminobutyl isothiocyanate
- Synonyms
- tert-Butyl N-(4-isothiocyanatobutyl)carbamateBoc-4-aminobutyl isothiocyanate

Chemical Synthesis
Utilised as a building block in organic synthesis to construct more complex molecular architectures. The presence of both a protected amine and an isothiocyanate group allows for sequential reactions and diverse derivatization.
Bioconjugation
Its bifunctional nature makes it suitable for conjugating biomolecules. The isothiocyanate group can react with amine groups on proteins or peptides, while the Boc-protected amine can be deprotected and further functionalized.
Linker Chemistry
Acts as a linker in the preparation of various chemical constructs. It enables the bridging of different molecular entities through controlled chemical reactions.
| Molecular weight | 230.33 |
|---|---|
| Empirical formula | C10H18N2O2S |
| Assay | ≥97.0% |
| Density | 1.067 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.504 |
| Storage temperature | 2-8°C |

Hazard statements
- H334May cause allergy or asthma symptoms if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P342
| Protective equipment | Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 42 |
| Safety statements (S) | 22 |
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 N-Boc-4-isothiocyanatobutylamine used for?
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N-Boc-4-isothiocyanatobutylamine is primarily used as a building block in organic synthesis and for bioconjugation applications, enabling the creation of complex molecules and the functionalization of biomolecules.
What are the CAS number and formula for N-Boc-4-isothiocyanatobutylamine?
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The CAS number is 247035-47-8, and the molecular formula is C10H18N2O2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies N-Boc-4-isothiocyanatobutylamine with an assay of ≥97.0%. We do not represent this product as USP, BP, or EP grade.
How should N-Boc-4-isothiocyanatobutylamine be handled?
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This compound is classified as Danger, with hazard statement H334 (May cause allergy or asthma symptoms or breathing difficulties if inhaled). Handle with appropriate personal protective equipment, including eyeshields, faceshields, and gloves, in a well-ventilated area. Avoid inhalation.
Is this product available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including N-Boc-4-isothiocyanatobutylamine.
How can I request a quote or sample?
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To request a quote or sample, please contact our sales team through the website or by phone, referencing product CAS 247035-47-8.
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