4582-21-2 Bicyclo(2.2.1)hept-5-ene-2,3-dicarbonyl dichloride, (2-endo,3-exo)- (9CI) (2-endo,3-exo)-Bicyclo(2.2.1)hept-5-ene-2,3-dicarbonyl dichloride 5-Norbornene-2,3-dicarbonyl chloride, trans- 3-09-00-04048 (Beilstein Handbook Reference) trans-Bicyclo(2.2.1)hept-5-enyl-2,3-dicarbonylchloride BRN 3134243 EINECS 224-967-5 NSC 103156 CAS 4582-21-2
| CAS No. | 4582-21-2 |
| Molecular Formula | C9H8Cl2O2 |
| Molecular Weight | 219.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 219.06 g/mol gives 4582-21-2 Bicyclo(2.2.1)hept-5-ene-2,3-dicarbonyl dichloride, (2-endo,3-exo)- (9CI) (2-endo,3-exo)-Bicyclo(2.2.1)hept-5-ene-2,3-dicarbonyl dichloride 5-Norbornene-2,3-dicarbonyl chloride, trans- 3-09-00-04048 (Beilstein Handbook Reference) trans-Bicyclo(2.2.1)hept-5-enyl-2,3-dicarbonylchloride BRN 3134243 EINECS 224-967-5 NSC 103156 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4582-21-2 Bicyclo(2.2.1)hept-5-ene-2,3-dicarbonyl dichloride, (2-endo,3-exo)- (9CI) (2-endo,3-exo)-Bicyclo(2.2.1)hept-5-ene-2,3-dicarbonyl dichloride 5-Norbornene-2,3-dicarbonyl chloride, trans- 3-09-00-04048 (Beilstein Handbook Reference) trans-Bicyclo(2.2.1)hept-5-enyl-2,3-dicarbonylchloride BRN 3134243 EINECS 224-967-5 NSC 103156 (CAS 4582-21-2), a certified reference material (molecular formula C9H8Cl2O2, MW 219.06 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H8Cl2O2, 4582-21-2 Bicyclo(2.2.1)hept-5-ene-2,3-dicarbonyl dichloride, (2-endo,3-exo)- (9CI) (2-endo,3-exo)-Bicyclo(2.2.1)hept-5-ene-2,3-dicarbonyl dichloride 5-Norbornene-2,3-dicarbonyl chloride, trans- 3-09-00-04048 (Beilstein Handbook Reference) trans-Bicyclo(2.2.1)hept-5-enyl-2,3-dicarbonylchloride BRN 3134243 EINECS 224-967-5 NSC 103156 contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 219.06 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4582-21-2 Bicyclo(2.2.1)hept-5-ene-2,3-dicarbonyl dichloride, (2-endo,3-exo)- (9CI) (2-endo,3-exo)-Bicyclo(2.2.1)hept-5-ene-2,3-dicarbonyl dichloride 5-Norbornene-2,3-dicarbonyl chloride, trans- 3-09-00-04048 (Beilstein Handbook Reference) trans-Bicyclo(2.2.1)hept-5-enyl-2,3-dicarbonylchloride BRN 3134243 EINECS 224-967-5 NSC 103156 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H8Cl2O2 |
| Molecular Weight | 219.06 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
Related Bicyclo Standards
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- Ethyl 1-(bicyclo[1.1.1]Pentan-1-yl)-3-methyl-1H-pyrazole-5-carboxylate (CAS 2489244-36-0)
- Ethyl 1-(bicyclo[1.1.1]Pentan-1-yl)-5-methyl-1H-pyrazole-3-carboxylate (CAS 2489244-37-1)
- Bicyclo[10.1.0]trideca-4,8-diene-13-carboxylic acid (CAS 329912-79-0)
- n-{bicyclo[2.2.1]hept-5-en-2-ylmethyl}-1-methylpiperidin-4-amine (CAS 1218642-85-3)
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Recommended Standards
- 211184-89-3 2-(2-Chloro-phenoxy)-propionyl chloride MFCD02295754 (CAS 211184-89-3)
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- Sildenafil Impurity N5 (CAS 60531-34-2)
- 5,6-bis(chloromethyl)benzo[d][1,3]dioxole (CAS 23473-54-3)
- N-Methyl-1-(1-(pyrazin-2-yl)ethyl)piperidin-4-amine hydrochloride (CAS 1417793-18-0)
- 3-(Aminomethyl)-N-benzyloxetan-3-amine (CAS 1021392-83-5)
- Hydrazinecarbothioamide, 2,2'-[1-(2-ethoxyethyl)-1,2-ethanediylidene]bis[N-[(3-bromo-4-ethoxyphenyl)methyl]-, copper complex (CAS 93556-80-0)
- PD-169316 (CAS 152121-53-4)
- 1-(N,N-Dimethylsulfamoyl)-1H-1,2,4-triazole-3-sulfonyl chloride (CAS 171967-86-5)
- Methyl 4-(difluoromethoxy)-3-nitrobenzoate (CAS 1154278-25-7)
- 4-PREGNEN-11β, 21-DIOL-3, 20-DIONE 21-HEMISUCCINATE (CAS 10215-77-7)
- 4-Chloro-5-(hexylamino)-2-phenylpyridazin-3(2H)-one (CAS 923027-34-3)
- 7-Fluoroquinoxalin-6-amine (CAS 920034-10-2)
- Insulin B (22-25) (CAS 34367-73-2)
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