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55453-87-7

55453-87-7 structure
55453-87-7 structure
  • Name: Isoxepac
  • Chemical Name: 2-(11-Oxo-6,11-dihydrodibenzo[b,e]oxepin-2-yl)acetic acid
  • CAS Number: 55453-87-7
  • Molecular Formula: C16H12O4
  • Molecular Weight: 268.264
  • Catalog: analytical chemistry Standard Pharmacopoeia Standards and Magazine Standards
  • Create Date: 2018-08-02 18:15:58
  • Modify Date: 2026-07-02 14:08:28
  • Isoxepac (HP 549) is a nonsteroidal anti-inflammatory agent (NSAID) with anti-inflammatory, analgesic and antipyretic activity. Isoxepac has been studied in rat, rabbit, dog, rhesus monkey, etc[1][2][3].
Name 2-(11-Oxo-6,11-dihydrodibenzo[b,e]oxepin-2-yl)acetic acid
Synonyms 11-Oxo-6,11-dihydrodibenz[b,e]oxin-2-acetic Acid
2-(11-Oxo-6,11-dihydrodibenzo[b,e]oxin-2-yl)aceticaci
Olopatadine Related Compound C ((11-oxo-6,11-dihydrodibenzo[b,e]oxin-2-yl)acetic acid)
OLOPATADINE IMP C
11-Dihydro-11-oxo-dibenz[b
6,11-Dihydro-11-oxodibenzo[b,e]oxin-2-acetic acid
DIBENZ[B,E]OXIN-2-ACETIC ACID, 6,11-DIOHYDRO-11-OXO
6,11-DIHYDRO-11-OXO-DIBENZ[B,E]OXIN-2-ACETIC ACID(FOR OLOPATADINE)
Olopatadine RC C
til
6,11-Dihydro-11-oxodibenz[b,e]oxine-2-acetic acid
hp549
6,11-dihydro-11-oxodibenz[b,e]oxin-2-acetic acid (Isoxac)
Dibenz[b,e]oxin-2-acetic acid, 6,11-dihydro-11-oxo
6,11-Dihydro-11-oxodibenzo[b,e]oxin-2-aceticAcid>
(11-OXO-6,11-DIHYDRODIBENZO[B,E]OXIN-2-YL)ACETIC ACID
6,11-dihydro-11-oxodibenz[b,e]opin-2-acetic acid
MFCD00242952
Isoxac-HBW
2-(11-keto-6H-benzo[c]benzoxin-2-yl)acetic acid
Olapatadine
6,11-Hydro-11-Oxo-Dibenz[B,E]Oxin-2-Acetic Acid
16-trihydroxy-palmitic acid
2-(11-Oxo-6,11-dihydrodibenzo[b,e]oxin-2-yl)acetic acid
(11-Oxo-6,11-dihydrodibenzo[b,e]oxepin-2-yl)acetic acid
e]oxin-2-acetic acid
isoxac
Isoxac-d6
11-Oxo-6,11-Dihydrobenz(b,e)oxin-2-Acetic Acid (Isoxac)
6,11-DIHYDRO-11-OXO-DIBENZ[B,E]OXIN-2-ACETIC ACID
Olopatadine Related Compound C (35 mg) ((11-oxo-6,11-dihydrodibenzo[b,e]oxin-2-yl)acetic acid)
Olotadine Hydrochloride Isoclate
P-720549
6H-11-Oxodibenzo[b,e]oxin-2-acetic Acid
Isoxic acid
2-(11-oxo-6H-benzo[c]benzoxin-2-yl)ethanoic acid
Olopatadine Related Compound C (35 mg)
Olotatadine related compound C
Isoxac, 10 mM in DMSO
(11-Oxo-6,11-dihydrodibenzo[b,e]oxin-2-yl)acetic Acid (Isoxac)
6,11-dihydro-11-oxo-dibenz[b,e]oxin-2-acetic acid (Olopatadine)
6,11-dihydro-11-oxo-dibenz[b,e]oxepin-2-acetic acid
TIANFU-CHEM 55-7 Isoxac
e)oxin-2-aceticacid,6,11-dihydro-11-oxo-dibenz(
Olopatadine Related Compound C (Isoxac)
6,11-Dihydro-11-oxo-dibenz[b,e]oxin-2-acetic
ND4-B2
Artil
Isoxac (Dibenz[b,e]oxin-2-acetic acid, 6,11-dihydro-11-oxo)
Olopatadine Related Compound C
2-(11-oxo-6H-benzo[c]benzoxin-2-yl)acetic acid
OLOPATADINE IMPURITY C
Olopatadine Related CoMpund C
6,11-Dihydro-11-oxodibenzo[b,e]oxin-2-acetic Acid or Isopec
Olopatadine Impurity 3（Olopatadine RC C）
Density 1.3±0.1 g/cm3
Boiling Point 528.2±50.0 °C at 760 mmHg
Melting Point 130-132ºC
Molecular Formula C16H12O4
Molecular Weight 268.264
Flash Point 203.8±23.6 °C
Exact Mass 268.073547
PSA 63.60000
LogP 2.64
Vapour Pressure 0.0±1.5 mmHg at 25°C
Index of Refraction 1.636
Storage condition Refrigerator

CHEMICAL IDENTIFICATION

RTECS NUMBER :
HQ4110000
CHEMICAL NAME :
Dibenz(b,e)oxepin-2-acetic acid, 6,11-dihydro-11-oxo-
CAS REGISTRY NUMBER :
55453-87-7
BEILSTEIN REFERENCE NO. :
1320243
LAST UPDATED :
199612
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C16-H12-O4
MOLECULAR WEIGHT :
268.28
WISWESSER LINE NOTATION :
T C676 BV IO JHJ E1VQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
143 mg/kg
TOXIC EFFECTS :
Gastrointestinal - ulceration or bleeding from stomach Gastrointestinal - ulceration or bleeding from small intestine
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 227,142,1977
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Gastrointestinal - ulceration or bleeding from stomach Gastrointestinal - ulceration or bleeding from small intestine
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 227,142,1977
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
240 mg/kg
TOXIC EFFECTS :
Gastrointestinal - ulceration or bleeding from stomach Gastrointestinal - ulceration or bleeding from small intestine
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 227,142,1977
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
160 mg/kg
TOXIC EFFECTS :
Gastrointestinal - ulceration or bleeding from stomach Gastrointestinal - ulceration or bleeding from small intestine
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 227,142,1977
Hazard Codes T
Risk Phrases 25-62
Safety Phrases 36/37-45
HS Code 2942000000
55453-89-9 structure

55453-89-9

~98%

55453-87-7 structure

55453-87-7

Literature: EP2072507 A1, ; Page/Page column 10-11 ;
69031-39-6 structure

69031-39-6

~%

55453-87-7 structure

55453-87-7

Literature: US4118401 A1, ;
2417-73-4 structure

2417-73-4

~%

55453-87-7 structure

55453-87-7

Literature: Journal of Medicinal Chemistry, , vol. 39, # 1 p. 246 - 252
17138-28-2 structure

17138-28-2

~%

55453-87-7 structure

55453-87-7

Literature: Journal of Medicinal Chemistry, , vol. 39, # 1 p. 246 - 252
156-38-7 structure

156-38-7

~%

55453-87-7 structure

55453-87-7

Literature: WO2011/128911 A2, ;
87-41-2 structure

87-41-2

~%

55453-87-7 structure

55453-87-7

Literature: WO2011/128911 A2, ;
HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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