(2E)-3-(2,5-dichlorophenyl)prop-2-enoic acid 101869-82-3 3-(2,5-dichlorophenyl)prop-2-enoic acid CAS 101869-82-3
| CAS No. | 101869-82-3 |
| Molecular Formula | C9H6Cl2O2 |
| Molecular Weight | 217.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2E)-3-(2,5-dichlorophenyl)prop-2-enoic acid 101869-82-3 3-(2,5-dichlorophenyl)prop-2-enoic acid (CAS 101869-82-3), molecular formula C9H6Cl2O2 and molecular weight 217.05 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H6Cl2O2, (2E)-3-(2,5-dichlorophenyl)prop-2-enoic acid 101869-82-3 3-(2,5-dichlorophenyl)prop-2-enoic acid 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 217.05 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C9H6Cl2O2 |
| Molecular Weight | 217.05 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
Related E Standards
- 3-(2,5-Dichlorophenyl)-3-oxopropanal (CAS 1019029-74-3)
- 3-(2,4-Dichlorophenyl)-3-oxopropanal (CAS 162251-01-6)
- (2E)-3-(2,3-dichlorophenyl)acrylic acid (CAS 34164-42-6)
- (E)-3-(2,3-Dichlorophenyl)acrylic acid (CAS 20595-44-2)
- (E)-3-(2,5-Dichlorophenyl)acrylic acid (CAS 20595-47-5)
- (Z)-3-(2,4-Dichlorophenyl)acrylic acid (CAS 20595-46-4)
- 1-(3,5-Dichlorophenyl)propane-1,2-dione (CAS 386715-49-7)
- 2-(3,4-Dichlorophenyl)malonaldehyde (CAS 849936-29-4)
Recommended Standards
- Vonoprazan Fumarate Impurity 96 (CAS 403-29-2)
- Vonoprazan Fumarate Impurity 88 (CAS 655-15-2)
- 3,4-Dichloro-5-methoxy-1H-indazole (CAS 1167056-25-8)
- 4-(Bromomethyl)-3-fluorobenzaldehyde (CAS 1416980-24-9)
- 3-Methyl-1-phenyl-1H-pyrazole-4,5-diamine (CAS 52943-88-1)
- 5-[(4-Methoxyphenyl)methyl]-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1351399-13-7)
- 3,5-Dimethyl-N-(piperidin-4-yl)-1h-pyrazole-4-sulfonamide hydrochloride (CAS 1828411-90-0)
- Ethyl Nicotinate (CAS 614-18-6)
- Amorolfine EP Impurity E HCl (trans-Amorolfine HCl) (Mixture of Diastereomers) (CAS CATO-C4X-154212)
- Methyl 2-bromo-6-chloro-3-methylbenzoate (CAS 2092387-79-4)
- 7-Methyl-3-{[(pyridin-3-ylmethyl)-amino]-methyl}-1H-quinolin-2-one (CAS 436087-67-1)
- 10-(4-Methoxyphenyl)-10H-phenothiazine (CAS 58736-69-9)
- 4-Chlorothiazole-2-carbonitrile (CAS 1363383-13-4)
- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
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