4-[Bis-(2-chloroethyl)amino]benzaldehyde
4-[Bis-(2-chloroethyl)amino]benzaldehyde (CAS: 1208-03-3), with empirical formula C11H13Cl2NO and a molecular weight of 246.13, is a valuable organic building block. This compound serves as an intermediate in chemical synthesis, particularly within the development of pharmaceuticals and complex organic molecules. Its reactivity as an aldehyde and the presence of chloroethyl groups make it a versatile reagent for various synthetic pathways.
![4-[Bis-(2-chloroethyl)amino]benzaldehyde (C11H13Cl2NO) — chemical structure, CAS 1208-03-3; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F1208-03-3.png&w=3840&q=75)
Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of more complex organic molecules. The aldehyde functional group allows for a range of nucleophilic addition and condensation reactions, while the bis-(2-chloroethyl)amino moiety can participate in cyclization or alkylation processes.
Pharmaceutical Research and Development
It is utilised in the research and development of novel pharmaceutical agents. Its structure may be incorporated into drug candidates or used as a precursor for biologically active compounds, leveraging its specific reactive sites for molecular elaboration.
Specialty Chemical Manufacturing
Employed in the production of specialty chemicals, where its unique structural features are essential for creating bespoke materials or reagents. Its role is critical in multi-step syntheses requiring precise control over functional group transformations.
| Molecular weight | 246.13 |
|---|---|
| Empirical formula | C11H13Cl2NO |
| Assay | ≥98.5% (HPLC)99% |
| Melting point | 86-90 °C |


Hazard statements
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2923 8/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 22-34 |
| Safety statements (S) | 26-36/37/39-45 |
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-[Bis-(2-chloroethyl)amino]benzaldehyde used for?
+
4-[Bis-(2-chloroethyl)amino]benzaldehyde is primarily used as an intermediate in organic synthesis and in pharmaceutical research and development for creating complex organic molecules and potential drug candidates.
What are the CAS number and formula for this compound?
+
The CAS number is 1208-03-3 and the empirical formula is C11H13Cl2NO.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this chemical with an assay of ≥98.5% (HPLC) and 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-[Bis-(2-chloroethyl)amino]benzaldehyde be handled safely?
+
This compound is classified as dangerous with a Danger signal word. It is harmful if swallowed and causes severe skin burns and eye damage (H301-H314). Handle with appropriate personal protective equipment including eyeshields, face shields, gloves, and respiratory protection (P280, P305 + P351 + P338, P310).
How is this chemical shipped and exported?
+
This chemical is shipped and exported according to strict international regulations for hazardous materials, designated as UN 2923, Class 8, Packing Group 3.
How can I request a sample or quote?
+
To request a sample or a quote, please contact our sales team through the website or directly via email, providing the product name and CAS number.
▶ 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