Di-tert-butyl 2-isocyanosuccinate
Di-tert-butyl 2-isocyanosuccinate (CAS 1027757-05-6) is an organic compound with the linear formula (CH3)3COCOCH2CH(NC)COOC(CH3)3 and a molecular weight of 255.31 g/mol. It serves as a valuable building block in chemical synthesis, particularly within the realm of isocyanides and nitrogen compounds. Its structure, featuring two tert-butyl ester groups and an isocyano functional group, makes it useful for constructing more complex organic molecules in research and development settings.
- IUPAC
- DL-Aspartic acid di-tert-butyl ester isocyanide
- Synonyms
- DL-Aspartic acid di-tert-butyl ester isocyanide

Organic Synthesis Intermediate
Di-tert-butyl 2-isocyanosuccinate acts as a versatile intermediate in the synthesis of complex organic molecules. Its isocyano group allows for various addition and cycloaddition reactions, facilitating the construction of diverse heterocyclic systems and functionalized compounds.
Building Block for Nitrogen Heterocycles
This compound is employed as a key building block for creating nitrogen-containing heterocyclic structures. The presence of the isocyano group is instrumental in cyclisation reactions, leading to the formation of diverse ring systems relevant in medicinal chemistry and materials science.
Reagent in Specialty Chemical Manufacturing
Utilised in the development and production of specialty chemicals, Di-tert-butyl 2-isocyanosuccinate offers a unique reactive centre for targeted chemical transformations. Its application can be found in areas requiring precise molecular assembly and functional group introduction.
| Molecular weight | 255.31 |
|---|---|
| Linear formula | (CH3)3COCOCH2CH(NC)COOC(CH3)3 |
| Assay | ≥97.0% (GC) |
| Storage temperature | −20°C |
| Melting point | 54-59 °C |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| 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 Di-tert-butyl 2-isocyanosuccinate used for?
+
Di-tert-butyl 2-isocyanosuccinate is primarily used as a building block in organic synthesis, especially for creating nitrogen-containing heterocycles and other complex organic molecules. It functions as a versatile intermediate in specialty chemical manufacturing and research.
What are the CAS number and formula for Di-tert-butyl 2-isocyanosuccinate?
+
The CAS number for Di-tert-butyl 2-isocyanosuccinate is 1027757-05-6. Its linear formula is (CH3)3COCOCH2CH(NC)COOC(CH3)3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Di-tert-butyl 2-isocyanosuccinate with a purity of ≥97.0% as determined by GC. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeial grade.
How should Di-tert-butyl 2-isocyanosuccinate be handled safely?
+
Di-tert-butyl 2-isocyanosuccinate is classified as a Warning substance (GHS07) and may cause harm if swallowed, in contact with skin, or if inhaled. It can also cause skin and serious eye irritation, and may cause respiratory irritation. Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be used. Handle in a well-ventilated area. Refer to the Safety Data Sheet for full details.
Is Di-tert-butyl 2-isocyanosuccinate a controlled substance?
+
Based on the provided data, there is no indication that Di-tert-butyl 2-isocyanosuccinate is a controlled substance.
How is Di-tert-butyl 2-isocyanosuccinate packed and shipped?
+
Di-tert-butyl 2-isocyanosuccinate requires storage at −20°C. It is carefully packed and exported by Tech Serve Solutions in compliance with relevant shipping regulations for chemical compounds.
How can I request a sample or quote for Di-tert-butyl 2-isocyanosuccinate?
+
To request a sample or a quote for Di-tert-butyl 2-isocyanosuccinate, please contact the Tech Serve Solutions sales department through our official website or designated contact channels.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis