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Nitrogen mustard compounds

Nitrogen mustards are cytotoxic organic compounds with the chloroethylamine functional group, which consists of the following structure: Cl(CH2)2NR2, where R can be any organic group. They are nitrogen analogs of mustard gas.
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1

3,4-Dibromomaleimide 98.0+%, TCI America™
SDP

CAS: 1122-10-7 Molecular Formula: C4HBr2NO2 Molecular Weight (g/mol): 254.865 MDL Number: MFCD00185696 InChI Key: BIKSKRPHKQWJCW-UHFFFAOYSA-N PubChem CID: 14279 IUPAC Name: 3,4-dibromopyrrole-2,5-dione SMILES: C1(=C(C(=O)NC1=O)Br)Br

PubChem CID 14279
CAS 1122-10-7
Molecular Weight (g/mol) 254.865
MDL Number MFCD00185696
SMILES C1(=C(C(=O)NC1=O)Br)Br
IUPAC Name 3,4-dibromopyrrole-2,5-dione
InChI Key BIKSKRPHKQWJCW-UHFFFAOYSA-N
Molecular Formula C4HBr2NO2
2

N,N-Bis(2-chloroethyl)-p-toluenesulfonamide 98.0+%, TCI America™
SDP

CAS: 42137-88-2 Molecular Formula: C11H15Cl2NO2S Molecular Weight (g/mol): 296.206 MDL Number: MFCD00018944 InChI Key: PTVBBIMKLOMGSY-UHFFFAOYSA-N Synonym: n,n-bis 2-chloroethyl-p-toluenesulfonamide,n,n-bis 2-chloroethyl-4-methylbenzenesulfonamide,n,n-bis 2-chloroethyl-p-toluenesulphonamide,n,n-bis .beta.-chloroethyl-p-toluenesulfonamide,n,n-bis 2-chloroethyl-4-toluenesulfonamide,n,n-bis 2'-chloroethyl-4-methylbenzenesulfonamide,n,n-bis 2-chloroethyl-4-methylbenzene sulfonamide,n,n-bis 2-chloroethyl-4-methylbenzene sulphonamide,benzenesulfonamide, n,n-bis 2-chloroethyl-4-methyl,n,n-bis-2-chloro-ethyl-4-methyl-benzenesulfonamide PubChem CID: 96039 IUPAC Name: N,N-bis(2-chloroethyl)-4-methylbenzenesulfonamide SMILES: CC1=CC=C(C=C1)S(=O)(=O)N(CCCl)CCCl

PubChem CID 96039
CAS 42137-88-2
Molecular Weight (g/mol) 296.206
MDL Number MFCD00018944
SMILES CC1=CC=C(C=C1)S(=O)(=O)N(CCCl)CCCl
Synonym n,n-bis 2-chloroethyl-p-toluenesulfonamide,n,n-bis 2-chloroethyl-4-methylbenzenesulfonamide,n,n-bis 2-chloroethyl-p-toluenesulphonamide,n,n-bis .beta.-chloroethyl-p-toluenesulfonamide,n,n-bis 2-chloroethyl-4-toluenesulfonamide,n,n-bis 2'-chloroethyl-4-methylbenzenesulfonamide,n,n-bis 2-chloroethyl-4-methylbenzene sulfonamide,n,n-bis 2-chloroethyl-4-methylbenzene sulphonamide,benzenesulfonamide, n,n-bis 2-chloroethyl-4-methyl,n,n-bis-2-chloro-ethyl-4-methyl-benzenesulfonamide
IUPAC Name N,N-bis(2-chloroethyl)-4-methylbenzenesulfonamide
InChI Key PTVBBIMKLOMGSY-UHFFFAOYSA-N
Molecular Formula C11H15Cl2NO2S
3

Medchemexpress LLC Metarrestin | 1443414-10-5 | 99.9% | 50 MG
SDP

Metarrestin is a small-molecule perinucleolar compartment inhibitor provided as a high-purity research compound for in vitro and in vivo studies investigating nucleolar structure and metastasis.

  • Provides high purity (99.9%).
  • Molecular formula C31H30N4O and molecular weight 474.60 g/mol.
  • Available in solid and solution formats for flexibility in experiments.
  • Suitable for use in biochemical, cell-based, and pharmacokinetic studies.
  • Recommended storage: powder at -20°C; in solvent at -80°C.

ENCOMPASS_PREFERRED
4

Medchemexpress LLC 10-methoxycamptothecin | 19685-10-0 | 98.1% | 378.38 g·mol⁻¹ | C21H18N2O5 | 10 MG
SDP

10-Methoxycamptothecin is a natural bioactive derivative of camptothecin used as an antitumor research reagent. It functions as a small-molecule topoisomerase I inhibitor and has shown higher cytotoxicity than 10-hydroxycamptothecin in cell-line studies, making it suitable for cytotoxicity assays and as an ADC payload in research.

  • CAS number: 19685-10-0.
  • Molecular formula: C21H18N2O5.
  • Molecular weight: 378.38 g·mol⁻¹.
  • Appearance: white to yellow solid.
  • Purity: 98.06%.
  • Storage: protect from light; store at 4°C; in solvent: -80°C (6 months), -20°C (1 month).
  • Typical applications: antitumor studies, cytotoxicity assays, ADC payload development.

ENCOMPASS_PREFERRED
5

Medchemexpress LLC Toringin | 1329-10-8 | 99.6% | 416.38 g/mol | C21H20O9 | 10 MG
SDP

Toringin is a natural bioflavonoid isolated from the bark of Docyniopsis tschonoski, supplied for research use as a white-to-yellow solid (CAS 1329-10-8). The compound is offered in small research pack sizes and is accompanied by a product data sheet and safety data sheet.

  • Natural bioflavonoid isolated from Docyniopsis tschonoski.
  • White to yellow solid suitable for analytical and biological research.
  • Reported high purity (approximately 99.6%).
  • Supplied as a 10 mg vial for small-scale experiments.
  • Documentation available: product data sheet and safety data sheet.
  • Recommended storage: powder at -20°C; in solvent, -80°C for long-term storage.

ENCOMPASS_PREFERRED
6

Medchemexpress LLC 1-(2-chloroethyl)-3-((1R,4R)-4-hydroxycyclohexyl)-1-nitrosourea-d4 | 00-00-0 | 99.0% | 253.72 | C9H12D4ClN3O3 | 5 MG
SDP

Deuterium-labeled trans-4'-Hydroxy CCNU Lomustine-d4 is a research-grade labeled analogue of trans-4'-Hydroxy lomustine intended for use as a tracer and internal standard in quantitative analytical methods. The product is supplied as a high-purity solid in a 5 MG vial and requires cold storage to maintain stability.

  • Deuterium-labeled internal standard for NMR, GC-MS, and LC-MS.
  • High purity (99.0%).
  • Solid, white to off-white appearance.
  • Suitable as a tracer for pharmacokinetic and metabolic studies.
  • Powder storage: -20°C for long-term stability; in solvent: -80°C for short-term stability.
  • Supplied as a 5 MG vial for laboratory use.

ENCOMPASS_PREFERRED
7

Medchemexpress LLC Cdc25b-in-1 | 2374831-10-2 | 98.1% | 321.37 g/mol | C20H19NO3 | 10MG
SDP

CDC25B-IN-1 is a small-molecule research inhibitor of the cell division cycle 25B (CDC25B) phosphatase, referred to in the literature as compound 4a. It is provided as a 10 mg research sample (CAS 2374831-10-2) for biochemical and cellular studies targeting CDC25B-mediated signaling.

  • Potent CDC25B inhibition with reported Ki of 8.5 μM.
  • High purity suitable for research (≈98.1%).
  • Molecular weight 321.37 g/mol; formula C20H19NO3.
  • Suitable for in vitro biochemical and cell-based assays.
  • Storage under nitrogen recommended; refrigerated at 4°C; in solvent: -80°C (6 months) or -20°C (1 month).
  • Supplied as a small quantity research sample for laboratory use.

ENCOMPASS_PREFERRED
8

Medchemexpress LLC 2-chloroethyl (2-chloroethyl)phosphonate | 17378-30-2 | MFCD24393365 | >95.0% | 206.99 | C4H9Cl2O3P | 5 MG
SDP

2-Chloroethyl (2-chloroethyl)phosphonate is an organophosphorus compound used as an intermediate in organic synthesis. It is a low-molecular-weight phosphonate (C4H9Cl2O3P, MW 206.99) with CAS 17378-30-2, provided with supporting documentation; consult the certificate of analysis for recommended storage and handling.

  • Organophosphorus intermediate for organic synthesis.
  • Molecular formula C4H9Cl2O3P; molecular weight 206.99.
  • CAS number 17378-30-2 for unambiguous identification.
  • Purity greater than 95% by HPLC.
  • Available in small research quantities, such as 5 mg.
  • Supplied with certificate of analysis for storage and handling guidance.

ENCOMPASS_PREFERRED
9

Medchemexpress LLC Ethyl 3-[(3-methoxynaphthalen-1-yl)amino]benzoate | 2374831-10-2 | 98.1% | 321.37 | C20H19NO3 | 100MG
SDP

CDC25B-IN-1 is a small-molecule inhibitor of the CDC25B phosphatase used for biochemical and cellular research. Reported as compound 4a, it inhibits CDC25B with a Ki of 8.5 μM, reduces cell proliferation and colony formation, and induces G2/M cell-cycle arrest. The material is typically supplied as a light brown oil or as a DMSO solution for assay use.

  • Inhibits CDC25B with a reported Ki of 8.5 μM.
  • Reduces cell proliferation and colony formation in cellular assays.
  • Induces G2/M cell-cycle arrest.
  • Molecular formula C20H19NO3; molecular weight 321.37.
  • High purity (approximately 98.1%; may vary by batch).
  • Available in multiple quantities and solution formats for assay convenience.
  • Storage recommendations include refrigeration under inert atmosphere and low-temperature storage in solvent.

ENCOMPASS_PREFERRED
10

Medchemexpress LLC 2-chloroethyl (2-chloroethyl)phosphonate | 17378-30-2 | MFCD24393365 | >95.0% | 206.99 | C4H9Cl2O3P | 10 MG
SDP

2-Chloroethyl (2-chloroethyl)phosphonate is an organophosphorus compound used as an intermediate in organic synthesis. The compound is identified by CAS 17378-30-2 and is characterized by the molecular formula C4H9Cl2O3P and a molecular weight of 206.99 g/mol (manufacturer datasheet).

  • Used as a building block or intermediate in organic synthesis.
  • Organophosphorus chemical class with a phosphoryl functionality.
  • CAS number 17378-30-2 for unambiguous identification.
  • Molecular formula C4H9Cl2O3P, molecular weight 206.99 g/mol.
  • Reported purity >95% (HPLC) from analytical standards vendors.
  • Available in small laboratory quantities suitable for research use.

ENCOMPASS_PREFERRED
11

Medchemexpress LLC 4-(5-fluoro-1H-benzo[d]imidazol-2-yl)-N,N-dimethylaniline | 1458664-10-2 | MFCD20720876 | 99.6% | 255.29 | C15H14FN3 | 5 MG
SDP

β-catenin-IN-2 (Compound H1B1) is a small-molecule β-catenin inhibitor for research use, reported as a pink to red solid with high purity. It is characterized by molecular formula C15H14FN3 and a molecular weight of 255.29 g/mol, and is used in studies of colorectal cancer and β-catenin pathway biology.

  • Potent β-catenin inhibitor for colorectal cancer research.
  • Molecular formula C15H14FN3.
  • Molecular weight 255.29 g/mol.
  • Appearance: pink to red solid.
  • Purity around 99.6% by HPLC.
  • Available in small milligram-scale packages for laboratory studies.
  • Typically prepared and handled in solution (DMSO) for assays.

ENCOMPASS_PREFERRED