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Piperazines

Organic heterocyclic compounds that consist of a six-membered ring with four carbon atoms and two nitrogen atoms at opposite positions in the ring.
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2

Doxazosin Mesylate 98.0+%, TCI America™

CAS: 77883-43-3 Molecular Formula: C24H29N5O8S Molecular Weight (g/mol): 547.583 MDL Number: MFCD00216023 InChI Key: VJECBOKJABCYMF-UHFFFAOYSA-N Synonym: doxazosin mesylate,cardura,carduran,cardular,cardura xl,cardenalin,dedralen,diblocin,doxazomerck,progandol PubChem CID: 62978 ChEBI: CHEBI:4709 IUPAC Name: [4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-(2,3-dihydro-1,4-benzodioxin-3-yl)methanone;methanesulfonic acid SMILES: COC1=C(C=C2C(=C1)C(=NC(=N2)N3CCN(CC3)C(=O)C4COC5=CC=CC=C5O4)N)OC.CS(=O)(=O)O

PubChem CID 62978
CAS 77883-43-3
Molecular Weight (g/mol) 547.583
ChEBI CHEBI:4709
MDL Number MFCD00216023
SMILES COC1=C(C=C2C(=C1)C(=NC(=N2)N3CCN(CC3)C(=O)C4COC5=CC=CC=C5O4)N)OC.CS(=O)(=O)O
Synonym doxazosin mesylate,cardura,carduran,cardular,cardura xl,cardenalin,dedralen,diblocin,doxazomerck,progandol
IUPAC Name [4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-(2,3-dihydro-1,4-benzodioxin-3-yl)methanone;methanesulfonic acid
InChI Key VJECBOKJABCYMF-UHFFFAOYSA-N
Molecular Formula C24H29N5O8S
3

Piperazine-1,4-bis(2-hydroxypropanesulfonic Acid) Dihydrate, TCI America™

CAS: 68189-43-5 Molecular Formula: C10H22N2O8S2 Molecular Weight (g/mol): 362.412 MDL Number: MFCD00038350 InChI Key: LVQFQZZGTZFUNF-UHFFFAOYSA-N Synonym: popso,piperazine-1,4-bis 2-hydroxypropanesulfonic acid,piperazine-n,n'-bis 2-hydroxypropanesulfonic acid,piperazine-1,4-bis 2-hydroxypropanesulfonic acid dihydrate,popso hydrate,3,3'-piperazine-1,4-diyl bis 2-hydroxypropane-1-sulfonic acid,2-hydroxy-3-4-2-hydroxy-3-sulfopropyl piperazin-1-yl propane-1-sulfonic acid,2-hydroxy-3-4-2-hydroxy-3-sulfopropyl piperazinyl propanesulfonic acid,1,4-piperazinedipropanesulfonic acid,,a,,a'-dihydroxy,beta,beta'-dihydroxypiperazine-1,4-dipropanesulphonic acid PubChem CID: 109211 IUPAC Name: 2-hydroxy-3-[4-(2-hydroxy-3-sulfopropyl)piperazin-1-yl]propane-1-sulfonic acid SMILES: C1CN(CCN1CC(CS(=O)(=O)O)O)CC(CS(=O)(=O)O)O

PubChem CID 109211
CAS 68189-43-5
Molecular Weight (g/mol) 362.412
MDL Number MFCD00038350
SMILES C1CN(CCN1CC(CS(=O)(=O)O)O)CC(CS(=O)(=O)O)O
Synonym popso,piperazine-1,4-bis 2-hydroxypropanesulfonic acid,piperazine-n,n'-bis 2-hydroxypropanesulfonic acid,piperazine-1,4-bis 2-hydroxypropanesulfonic acid dihydrate,popso hydrate,3,3'-piperazine-1,4-diyl bis 2-hydroxypropane-1-sulfonic acid,2-hydroxy-3-4-2-hydroxy-3-sulfopropyl piperazin-1-yl propane-1-sulfonic acid,2-hydroxy-3-4-2-hydroxy-3-sulfopropyl piperazinyl propanesulfonic acid,1,4-piperazinedipropanesulfonic acid,,a,,a'-dihydroxy,beta,beta'-dihydroxypiperazine-1,4-dipropanesulphonic acid
IUPAC Name 2-hydroxy-3-[4-(2-hydroxy-3-sulfopropyl)piperazin-1-yl]propane-1-sulfonic acid
InChI Key LVQFQZZGTZFUNF-UHFFFAOYSA-N
Molecular Formula C10H22N2O8S2
4
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Ethyl N-piperazinecarboxylate, 99%

CAS: 120-43-4 Molecular Formula: C7H14N2O2 Molecular Weight (g/mol): 158.2 MDL Number: MFCD00005964 InChI Key: LNOQURRKNJKKBU-UHFFFAOYSA-N Synonym: ethyl n-piperazinecarboxylate,ethyl 1-piperazinecarboxylate,n-carbethoxypiperazine,1-carbethoxypiperazine,1-carboethoxypiperazine,1-piperazinecarboxylic acid, ethyl ester,n-ethoxycarbonyl piperazine,ethylcarbonyl piperazine,1-ethoxycarbonyl piperazine,ethyl 1-piperazinocarboxylate PubChem CID: 8431 IUPAC Name: ethyl piperazine-1-carboxylate SMILES: CCOC(=O)N1CCNCC1

PubChem CID 8431
CAS 120-43-4
Molecular Weight (g/mol) 158.2
MDL Number MFCD00005964
SMILES CCOC(=O)N1CCNCC1
Synonym ethyl n-piperazinecarboxylate,ethyl 1-piperazinecarboxylate,n-carbethoxypiperazine,1-carbethoxypiperazine,1-carboethoxypiperazine,1-piperazinecarboxylic acid, ethyl ester,n-ethoxycarbonyl piperazine,ethylcarbonyl piperazine,1-ethoxycarbonyl piperazine,ethyl 1-piperazinocarboxylate
IUPAC Name ethyl piperazine-1-carboxylate
InChI Key LNOQURRKNJKKBU-UHFFFAOYSA-N
Molecular Formula C7H14N2O2
5

Medchemexpress LLC N-(2-aminoethyl)-2-(naphthalen-1-yl)acetamide | 36321-43-4 | MFCD08529471 | 228.29 | C14H16N2O | 5 G
SDP

N-(2-aminoethyl)-2-(naphthalen-1-yl)acetamide is supplied as an analytical reference standard intended for qualitative and quantitative research. The compound is reported as an impurity of naphazoline and is used in chromatographic and mass-spectrometry applications such as HPLC, GC, and MS. CAS 36321-43-4.

ENCOMPASS_PREFERRED
6

Medchemexpress LLC N-(2-aminoethyl)-2-(naphthalen-1-yl)acetamide | 36321-43-4 | MFCD08529471 | 95.0% | 228.29 | C14H16N2O | 1 G
SDP

N-(2-Aminoethyl)-2-(naphthalen-1-yl)acetamide is a small-molecule analytical standard provided for research and analytical use. Supplier documentation identifies it as an impurity of naphazoline; it is used primarily as a reference material for impurity profiling, method development, and analytical verification in laboratories.

  • Used as an analytical standard for impurity profiling and reference
  • Applicable to qualitative and quantitative methods including HPLC and LC-MS
  • Small, stable solid suitable for laboratory storage and handling
  • Storage: keep at 4°C and protect from light; in solution, follow low-temperature conditions
  • Identified impurity of naphazoline useful for drug-substance analysis
  • Chemical identifiers: CAS 36321-43-4; formula C14H16N2O; molecular weight 228.29

ENCOMPASS_PREFERRED
7

Medchemexpress LLC N-(2-aminoethyl)-2-(naphthalen-1-yl)acetamide | 36321-43-4 | MFCD08529471 | >=95.0% | 228.29 g·mol⁻¹ | C14H16N2O | 500 MG
SDP

N-(2-Aminoethyl)-2-(naphthalen-1-yl)acetamide is an analytical reference standard reported as an impurity of naphazoline. It is intended for use in qualitative and quantitative laboratory analyses and is typically used in method development and validation for chromatographic and mass spectrometric assays. Consult the certificate of analysis and safety data sheet for purity, handling, and storage instructions.

  • Used as an analytical reference standard for HPLC, GC, and MS.
  • Suitable for method development, validation, and impurity profiling.
  • Available in small-scale quantities for laboratory use.
  • Provided with a certificate of analysis detailing purity and storage.
  • Solid form; handle according to safety data sheet recommendations.

ENCOMPASS_PREFERRED
8

Medchemexpress LLC N-(2-aminoethyl)-2-(naphthalen-1-yl)acetamide | 36321-43-4 | MFCD08529471 | 96.0% | 228.29 g/mol | C14H16N2O | 250 MG
SDP

N-(2-Aminoethyl)-2-(naphthalen-1-yl)acetamide is a small-molecule impurity of naphazoline supplied as a research reagent and analytical standard. It is a solid (light brown to brown) with formula C14H16N2O and molecular weight 228.29 g/mol, intended for impurity profiling and analytical method development. Store at 4°C and protect from light; in solvent store at -80°C (6 months) or -20°C (1 month).

  • Used as an analytical reference for impurity identification.
  • Suitable for method development and impurity profiling.
  • Solid form facilitates handling and accurate weighing.
  • Storage recommendations support short- and long-term stability.
  • Supplied in small research quantities for laboratory use.

ENCOMPASS_PREFERRED
9

Medchemexpress LLC N-(2-aminoethyl)-2-(naphthalen-1-yl)acetamide | 36321-43-4 | MFCD08529471 | 95.0% | 228.29 g·mol⁻¹ | C14H16N2O | 100 MG
SDP

N-(2-aminoethyl)-2-(naphthalen-1-yl)acetamide is an analytical standard and an identified impurity of naphazoline used as a drug intermediate or reference material in analytical and synthetic workflows. Molecular formula C14H16N2O, molecular weight 228.29 g·mol⁻¹, CAS 36321-43-4. Recommended storage: 4°C, protect from light; in solvent: -80°C (6 months) or -20°C (1 month).

  • Suitable as an analytical standard for impurity profiling.
  • Intended for method development and validation.
  • Provided in a 100 MG quantity for laboratory use.
  • Stable under recommended storage; protect from light.
  • Applicable as a drug intermediate or reference material.

ENCOMPASS_PREFERRED
10

eMolecules​ 1604046-43-6 | [1-(3-Amino-4-nitrophenyl)piperidin-4-yl]methanol | Apollo Scientific251.286 | C12H17N3O3 | 95.000 | Nc1cc(ccc1[N+]([O-])=O)N1CCC(CO)CC1 | 1g | 562462388

[1-(3-Amino-4-nitrophenyl)piperidin-4-yl]methanol | Apollo Scientific | 1604046-43-6251.286 | C12H17N3O3 | 95.000 | Nc1cc(ccc1[N+]([O-])=O)N1CCC(CO)CC1 | 1g | 562462388

ENCOMPASS_PREFERRED
11

1-(4-Fluoro-2-nitrophenyl)-4-methylpiperazine, 97%, Thermo Scientific™

CAS: 432531-43-6 Molecular Formula: C11H14FN3O2 Molecular Weight (g/mol): 239.25 MDL Number: MFCD03144445 InChI Key: SVXUJOMAWXJSIK-UHFFFAOYSA-N Synonym: 1-4-fluoro-2-nitrophenyl-4-methylpiperazine,cambridge id 6838238 PubChem CID: 2915664 IUPAC Name: 1-(4-fluoro-2-nitrophenyl)-4-methylpiperazine SMILES: CN1CCN(CC1)C2=C(C=C(C=C2)F)[N+](=O)[O-]

PubChem CID 2915664
CAS 432531-43-6
Molecular Weight (g/mol) 239.25
MDL Number MFCD03144445
SMILES CN1CCN(CC1)C2=C(C=C(C=C2)F)[N+](=O)[O-]
Synonym 1-4-fluoro-2-nitrophenyl-4-methylpiperazine,cambridge id 6838238
IUPAC Name 1-(4-fluoro-2-nitrophenyl)-4-methylpiperazine
InChI Key SVXUJOMAWXJSIK-UHFFFAOYSA-N
Molecular Formula C11H14FN3O2