Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Chlorthenoxazine
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4H-1,3-Benzoxazin-4-one,2-(2-chloroethyl)-2,3-dihydro-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

132-89-8

132-89-8 structure

132-89-8 structure

Name: Chlorthenoxazine
Chemical Name: 2-(2-chloroethyl)-2,3-dihydro-1,3-benzoxazin-4-one
CAS Number: 132-89-8
Molecular Formula: C₁₀H₁₀ClNO₂
Molecular Weight: 211.64500
Catalog: Research Areas Inflammation/Immunology
Create Date: 2018-04-26 08:00:00
Modify Date: 2025-08-21 11:22:44
Chlorthenoxazine is a nonsteroidal anti-inflammatory drug.

Name	2-(2-chloroethyl)-2,3-dihydro-1,3-benzoxazin-4-one
Synonyms	2-(2-chloro-ethyl)-2,3-dihydro-benz[e][1,3]oxazin-4-one 2-(2-chloro-ethyl)-2,3-dihydro-benzo[e][1,3]oxazin-4-one Chlorethylbenzmethoxazone Ossipirina EINECS 205-082-3 Ossazone Reumagrip Reugaril Apirazin 2-(2-Chlor-aethyl)-2,3-dihydro-benz[e][1,3]oxazin-4-on chlorothenoxazine Valmorin Valtorin Chlorthenoxazin chlorthenoxazine

Description	Chlorthenoxazine is a nonsteroidal anti-inflammatory drug.
Related Catalog	Signaling Pathways >> Others >> Others Research Areas >> Inflammation/Immunology

Density	1.253g/cm3
Boiling Point	449.8ºC at 760mmHg
Molecular Formula	C₁₀H₁₀ClNO₂
Molecular Weight	211.64500
Flash Point	225.8ºC
Exact Mass	211.04000
PSA	38.33000
LogP	2.09260
Vapour Pressure	2.78E-08mmHg at 25°C
Index of Refraction	1.541

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DM3675000

CHEMICAL NAME :: 4H-1,3-Benzoxazin-4-one, 2-(2-chloroethyl)-2,3-dihydro-

CAS REGISTRY NUMBER :: 132-89-8

BEILSTEIN REFERENCE NO. :: 0170863

LAST UPDATED :: 199612

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C10-H10-Cl-N-O2

MOLECULAR WEIGHT :: 211.66

WISWESSER LINE NOTATION :: T66 BVM EO DHJ D2G

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 :: 10 gm/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - coma

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 7,651,1957

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 730 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - other changes

REFERENCE :: BMJOAE British Medical Journal. (British Medical Assoc., BMA House, Tavistock Sq., London WC1H 9JR, UK) V.1- 1857- Volume(issue)/page/year: 1,36,1960

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 11155 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 13,884,1963

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1702 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 13,884,1963

HS Code	2934999090

Precursor 3
19434-65-2 65-45-2 35573-93-4
DownStream 0

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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