CAS Number104-98-3
Synonyms(2E)-3-(1H-Imidazol-4-yl)acrylic acid; urocanoic acid; (2E)-3-(1H-imidazol-4-yl)prop-2-enoic acid; (E)-3-(1H-imidazol-4-yl)acrylic acid; RARECHEM AL BK 0762; (Z/E)-3-(1H-imidazol-4-yl)-2-propenoic acid; 3-(1H-imidazol-4-yl)prop-2-enoic acid; imidazoleacrylicacid; (E)-3-(1H-imidazol-4-yl)-2-propenoic acid; 3-imidazol-4-ylacrylic; Urocanate; 4-Imidazoleacrylic Acid; UROCANINIC ACID; Trans-Urocanic acid; (E)-3-(1H-Imidazol-5-yl)-2-propenoic acid; 3-(1H-Imidazol-4-yl)acrylic acid; Urocanic caid; Urocanic acid; 3-imidazol-4-yl-acrylic acid; urosanic acid; 4-imidazoleacrylate; MFCD00005203; (2E)-3-(1H-Imidazol-5-yl)acrylic acid; EINECS 203-258-4
Molecular FormulaC6H6N2O2
Molecular Weight138.12
Purity99%
Density1.4±0.1 g/cm3
Boiling Point456.9±20.0 °C at 760 mmHg
Melting Point226-228 °C (lit.)
Appearancepowder
EINECS203-258-4
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 104-98-3 |
| Catalog No. | 2A-9018425 |
| Chinese Name | 尿刊酸 |
| Synonyms | (2E)-3-(1H-Imidazol-4-yl)acrylic acid; urocanoic acid; (2E)-3-(1H-imidazol-4-yl)prop-2-enoic acid; (E)-3-(1H-imidazol-4-yl)acrylic acid; RARECHEM AL BK 0762; (Z/E)-3-(1H-imidazol-4-yl)-2-propenoic acid; 3-(1H-imidazol-4-yl)prop-2-enoic acid; imidazoleacrylicacid; (E)-3-(1H-imidazol-4-yl)-2-propenoic acid; 3-imidazol-4-ylacrylic; Urocanate; 4-Imidazoleacrylic Acid; UROCANINIC ACID; Trans-Urocanic acid; (E)-3-(1H-Imidazol-5-yl)-2-propenoic acid; 3-(1H-Imidazol-4-yl)acrylic acid; Urocanic caid; Urocanic acid; 3-imidazol-4-yl-acrylic acid; urosanic acid; 4-imidazoleacrylate; MFCD00005203; (2E)-3-(1H-Imidazol-5-yl)acrylic acid; EINECS 203-258-4 |
| Molecular Formula | C6H6N2O2 |
| Molecular Weight | 138.12 |
| Purity | 99 |
| Density | 1.4±0.1 g/cm3 |
| Boiling Point | 456.9±20.0 °C at 760 mmHg |
| Melting Point | 226-228 °C (lit.) |
| Appearance | powder |
| Water Solubility | SLIGHTLY SOLUBLE |
| Storage Condition | 2-8°C |
| Application | Urocanic acid is the primary photoreceptor in the skin and occurs naturally as trans-urocanic acid. |
| EINECS | 203-258-4 |
| HTC | 29332990 |
| PubChem ID | 24888491 |
| MDL Number | MFCD00005203 |
| SMILES | OC(=O)\C=C\c1c[nH]cn1 |
| InChI | 1S/C6H6N2O2/c9-6(10)2-1-5-3-7-4-8-5/h1-4H,(H,7,8)(H,9,10)/b2-1+ |
| InChI Key | LOIYMIARKYCTBW-OWOJBTEDSA-N |
| Beilstein/REAXYS | 81405 |
| NACRES Code | NA.22 |
| UNSPSC | 12352005 |
| Hazard Symbols | Transport |
| MSDS | msds/18425_1_104_98_3.pdf |
| Bioactivity | Urocanic acid, produced in the upper layers of mammalian skin, is a major absorber of ultraviolet radiation (UVR). Related Catalog Natural Products >> Acids and Aldehydes Research Areas >> Others Target Human Endogenous Metabolite In Vitro Urocanic acid (UCA) is formed in the upper layers of the epidermis where filaggrin, a histidine-rich filamentous protein produced after caspase-14 cleavage of profilaggrin, is broken down by proteinases into component amino acids[1]. References [1]. Gibbs NK, et al. Recent advances in urocanic acid photochemistry, photobiology and photoimmunology. Photochem Photobiol Sci. 2008 Jun;7(6):655-67. Chemical & Physical Properties Density 1.4±0.1 g/cm3 Boiling Point 456.9±20.0 °C at 760 mmHg Melting Point 226-228 °C(lit.) Molecular Formula C6H6N2O2 Molecular Weight 138.124 Flash Point 230.1±21.8 °C Exact Mass 138.042923 PSA 65.98000 LogP 0.01 Vapour Pressure 0.0±1.2 mmHg at 25°C Index of Refraction 1.674 InChIKey QOBBBAYBOIGDFM-SEPHDYHBSA-N SMILES O.O.O=C(O)C=Cc1cnc[nH]1 Storage condition 2-8°C Water Solubility SLIGHTLY SOLUBLE |
| Use of | Urocanic acid, produced in the upper layers of mammalian skin, is a major absorber of ultraviolet radiation (UVR). Properties Articles33 Name urocanic acid Synonym More Synonyms Urocanic acid Biological Activity Description Urocanic acid, produced in the upper layers of mammalian skin, is a major absorber of ultraviolet radiation (UVR). Related Catalog Natural Products >> Acids and Aldehydes Research Areas >> Others Human Endogenous Metabolite References [1]. Gibbs NK, et al. Recent advances in urocanic acid photochemistry, photobiology and photoimmunology. Photochem Photobiol Sci. 2008 Jun;7(6):655-67. Chemical & Physical Properties Molecular Formula C6H6N2O2 Exact Mass 138.042923 PSA 65.98000 Index of Refraction 1.674 InChIKey QOBBBAYBOIGDFM-SEPHDYHBSA-N Water Solubility SLIGHTLY SOLUBLE |
| Transport Info | Product name: Purity: 98.0% |
| MSDS Transport Info | Module 14. Shipping information 14.1 UN number European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.2 Names specified by the United Nations (UN) European Land Transport Dangerous Regulations: No dangerous goods IMDG Code: No dangerous goods International Air Transport Dangerous Regulations: No dangerous goods 14.3 Transport hazard categories European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.4 Package group European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.5 Environmental hazards European Land Transport Dangerous Regulations: No International Maritime Transport Dangerous Regulations Maritime Pollutants: No International Air Transport Risk Regulations: No 14.6 Special precautions for users No data available |
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