Clobetasone butyrate

Modify Date: 2024-01-08 10:09:09

Clobetasone butyrate structure	Common Name	Clobetasone butyrate
	CAS Number	25122-57-0	Molecular Weight	478.981
	Density	1.3±0.1 g/cm3	Boiling Point	573.3±50.0 °C at 760 mmHg
	Molecular Formula	C₂₆H₃₂ClFO₅	Melting Point	179 °C
	MSDS	Chinese USA	Flash Point	181.1±19.3 °C
	Symbol	GHS08	Signal Word	Warning

Use of Clobetasone butyrate

Clobetasone butyrate is a synthetic glucocorticoid and has topical anti-inflammatory activity especially in skin. Clobetasone butyrate can be used to relieve corticosteroid-responsive dermatoses, including atopic dermatitis and psoriasis[1].

Name	Clobetasone 17-Butyrate
Synonym	More Synonyms

Description	Clobetasone butyrate is a synthetic glucocorticoid and has topical anti-inflammatory activity especially in skin. Clobetasone butyrate can be used to relieve corticosteroid-responsive dermatoses, including atopic dermatitis and psoriasis[1].
Related Catalog	Research Areas >> Inflammation/Immunology Signaling Pathways >> GPCR/G Protein >> Glucocorticoid Receptor
Target	IC50: glucocorticoid[1]
In Vivo	Clobetasone butyrate (application on the skin; 0.05%; 7 weeks) induces epidermal thinning in skin, Clobetasone butyrate 7 weeks causes much less epidermal thinning in the pig than flurandrenolone (0.05%) or fluocinolone acetonide (0.025%), both of which causes severe atrophy[1]. Animal Model: Large white domestic pig[1] Dosage: 0.5% application on the skin Administration: 7 weeks Result: Caused moderate to slight atrophy.
References	[1]. Munro DD, et al. Clobetasone butyrate, a new topical corticosteroid: clinical activity and effects on pituitary-adrenal axis function and model of epidermal atrophy. [2]. Michael Stewart, et al. Clobetasone butyrate for inflammatory skin conditions.

Density	1.3±0.1 g/cm3
Boiling Point	573.3±50.0 °C at 760 mmHg
Melting Point	179 °C
Molecular Formula	C₂₆H₃₂ClFO₅
Molecular Weight	478.981
Flash Point	181.1±19.3 °C
Exact Mass	478.192230
PSA	77.51000
LogP	4.82
Vapour Pressure	0.0±1.6 mmHg at 25°C
Index of Refraction	1.551
Stability	Stable. Combustible. Incompatible with strong oxidizing agents.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TU4154083

CHEMICAL NAME :: Pregna-1,4-diene-3,11,20-trione, 21-chloro-9-fluoro-17-hydroxy-16-beta-methyl-, butyrate

CAS REGISTRY NUMBER :: 25122-57-0

LAST UPDATED :: 199512

DATA ITEMS CITED :: 16

MOLECULAR FORMULA :: C26-H32-Cl-F-O5

MOLECULAR WEIGHT :: 479.03

WISWESSER LINE NOTATION :: L E5 B666 CV OV AHTTT&J A1 BF E1 FV1G FOV3 G1

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 :: >6 gm/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Blood - changes in spleen Skin and Appendages - hair

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 35,1473,1984

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1510 mg/kg

TOXIC EFFECTS :: Endocrine - other changes Blood - changes in spleen Blood - other changes

REFERENCE :: JTSCDR Journal of Toxicological Sciences. (Japanese Soc. of Toxicological Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku, Tokyo 113, Japan) V.1- 1976- Volume(issue)/page/year: 5,45,1980

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >2600 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Blood - changes in spleen Skin and Appendages - hair

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 35,1473,1984

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >6 gm/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Blood - changes in spleen Skin and Appendages - hair

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 35,1473,1984

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 500 mg/kg

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

REFERENCE :: IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 14,838,1983

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >3600 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Blood - changes in spleen Skin and Appendages - hair

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 35,1473,1984 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 15600 ug/kg/26W-I

TOXIC EFFECTS :: Liver - changes in liver weight Kidney, Ureter, Bladder - changes in bladder weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)

REFERENCE :: JTSCDR Journal of Toxicological Sciences. (Japanese Soc. of Toxicological Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku, Tokyo 113, Japan) V.1- 1976- Volume(issue)/page/year: 5,177,1980

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3 mg/kg/30D-I

TOXIC EFFECTS :: Endocrine - other changes Blood - changes in leukocyte (WBC) count Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 35,1473,1984 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Administration onto the skin

DOSE :: 11 gm/kg

SEX/DURATION :: female 7-17 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

REFERENCE :: SKIZAB Shikoku Igaku Zasshi. Shikoku Medical Journal. (Tokushima Igakkai, Tokushima Daigaku Igakubu, Kuramoto-cho, Tokushima 770, Japan) V.1- 1950- Volume(issue)/page/year: 36,91,1980

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 11 mg/kg

SEX/DURATION :: female 7-17 day(s) after conception

TOXIC EFFECTS :: Reproductive - Maternal Effects - ovaries, fallopian tubes Reproductive - Maternal Effects - uterus, cervix, vagina Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 14,343,1980

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 11 mg/kg

SEX/DURATION :: female 7-17 day(s) after conception

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - body wall Reproductive - Specific Developmental Abnormalities - respiratory system Reproductive - Specific Developmental Abnormalities - hepatobiliary system

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 14,343,1980

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 24 mg/kg

SEX/DURATION :: male 60 day(s) pre-mating female 2 week(s) pre-mating - 7 day(s) after conception

TOXIC EFFECTS :: Reproductive - Maternal Effects - ovaries, fallopian tubes Reproductive - Maternal Effects - other effects Reproductive - Effects on Embryo or Fetus - other effects to embryo

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 14,333,1980

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 3 mg/kg

SEX/DURATION :: female 17-22 day(s) after conception lactating female 4 day(s) post-birth

TOXIC EFFECTS :: Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 14,359,1980

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 780 ug/kg

SEX/DURATION :: female 6-18 day(s) after conception

TOXIC EFFECTS :: Reproductive - Maternal Effects - uterus, cervix, vagina Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 14,373,1980

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 390 ug/kg

SEX/DURATION :: female 6-18 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - other measures of fertility

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 14,373,1980

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 97500 ng/kg

SEX/DURATION :: female 6-18 day(s) after conception

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - musculoskeletal system

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 14,373,1980

Symbol	GHS08
Signal Word	Warning
Hazard Statements	H351
Precautionary Statements	P281
Personal Protective Equipment	Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes	Xn:Harmful
Risk Phrases	R40
Safety Phrases	S22-S36
RIDADR	NONH for all modes of transport
RTECS	TU4154083

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Clobetasone butyrate

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