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| CAS No.: | 848-75-9 |
|---|---|
| Name: | LORMETAZEPAM |
| Molecular Structure: | |
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| Formula: | C16H12 Cl2 N2 O2 |
| Molecular Weight: | 335.189 |
| Synonyms: | 2H-1,4-Benzodiazepin-2-one,7-chloro-5-(o-chlorophenyl)-1,3-dihydro-3-hydroxy-1-methyl- (7CI,8CI);(RS)-Lormetazepam; (?à)-Lormetazepam;7-Chloro-1,3-dihydro-5-(o-chlorophenyl)-3-hydroxy-1-methyl-2H-1,4-benzodiazepin-2-one;Ergocalm; Loramet; Lormetazepam; Methyllorazepam; N-Methyllorazepam; Noctamid;Noctamide; Ro 5-5516; WY 4082 |
| Density: | 1.44 g/cm3 |
| Melting Point: | 163-168ºC |
| Boiling Point: | 575.8ºC at 760mmHg |
| Flash Point: | 302.1ºC |
| Hazard Symbols: | F,T |
| Risk Codes: | 11-23/24/25-39/23/24/25-22 |
| Safety: | Moderately toxic by ingestion and intraperitoneal routes. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of Cl− and NOx. Note: This is a controlled substance (depressant) listed in the U.S. Code of Federal Regulations, Title 21 Part 1308.14 (1985). |
| PSA: | 52.90000 |
| LogP: | 2.62620 |
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Chemistry
Product Name: Lormetazepam (CAS NO.848-75-9)
Molecular Formula: C16H12Cl2N2O2
Molecular Weight: 335.18g/mol
Mol File: 848-75-9.mol
EINECS: 212-700-5
Boiling point: 575.8 °C at 760 mmHg
Flash Point: 302.1 °C
Density: 1.44 g/cm3
Surface Tension: 51.6 dyne/cm
Enthalpy of Vaporization: 90.72 kJ/mol
Vapour Pressure: 4.23E-14 mmHg at 25°C
XLogP3-AA: 2.4
H-Bond Donor: 1
H-Bond Acceptor: 3
Structure Descriptors of Lormetazepam (CAS NO.848-75-9):
IUPAC Name: 7-chloro-5-(2-chlorophenyl)-3-hydroxy-1-methyl-3H-1,4-benzodiazepin-2-one
Canonical SMILES: CN1C2=C(C=C(C=C2)Cl)C(=NC(C1=O)O)C3=CC=CC=C3Cl
InChI: InChI=1S/C16H12Cl2N2O2/c1-20-13-7-6-9(17)8-11(13)14(19-15(21)16(20)22)10-4-2-3-5-12(10)18/h2-8,15,21H,1H3
InChIKey: FJIKWRGCXUCUIG-UHFFFAOYSA-N
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 780mg/kg (780mg/kg) | BEHAVIORAL: SLEEP LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION KIDNEY, URETER, AND BLADDER: URINE VOLUME INCREASED | Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 13(Suppl, |
| mouse | LD50 | oral | 1790mg/kg (1790mg/kg) | BEHAVIORAL: SLEEP LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION KIDNEY, URETER, AND BLADDER: URINE VOLUME INCREASED | Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 13(Suppl, |
| mouse | LD50 | subcutaneous | > 10gm/kg (10000mg/kg) | LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 13(Suppl, |
| rat | LD50 | intraperitoneal | 6250mg/kg (6250mg/kg) | BEHAVIORAL: SLEEP LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION KIDNEY, URETER, AND BLADDER: URINE VOLUME INCREASED | Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 13(Suppl, |
| rat | LD50 | oral | > 10gm/kg (10000mg/kg) | SENSE ORGANS AND SPECIAL SENSES: MIOSIS (PUPILLARY CONSTRICTION): EYE BEHAVIORAL: SLEEP SKIN AND APPENDAGES (SKIN): HAIR: OTHER | Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 13(Suppl, |
| rat | LD50 | subcutaneous | > 10gm/kg (10000mg/kg) | SENSE ORGANS AND SPECIAL SENSES: MIOSIS (PUPILLARY CONSTRICTION): EYE BEHAVIORAL: SLEEP SKIN AND APPENDAGES (SKIN): HAIR: OTHER | Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 13(Suppl, |
Safety Profile
Moderately toxic by ingestion and intraperitoneal routes. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of Cl− and NOx. Note: This is a controlled substance (depressant) listed in the U.S. Code of Federal Regulations, Title 21 Part 1308.14 (1985).
Specification
Lormetazepam , its CAS NO. is 848-75-9, the synonyms are 2H-1,4-Benzodiazepin-2-one, 7-chloro-5-(2-chlorophenyl)-1,3-dihydro-3-hydroxy-1-methyl- ; 5-25-02-00251 (Beilstein Handbook Reference) ; 7-Chloro-5-(2-chlorophenyl)-3-hydroxy-1-methyl-2,3-dihydro-1H-1,4-benzodiazepin-2-one ; 7-Chloro-5-(o-chlorophenyl)-1,3-dihydro-3-hydroxy-1-methyl-2H-1,4-benzodiazepin-2-one ; BRN 0759821 ; EINECS 212-700-5 ; Lormetazepamum ; Methyllorazepam ; N-Methyllorazepam ; Ro 5-5516 ; UNII-GU56C842ZA ; WY 4082 .