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64-73-3

64-73-3 structure
64-73-3 structure
  • Name: Demeclocycline hydrochloride
  • Chemical Name: demeclocycline hydrochloride
  • CAS Number: 64-73-3
  • Molecular Formula: C21H22Cl2N2O8
  • Molecular Weight: 501.314
  • Catalog: API Antibiotics Tetracycline
  • Create Date: 2018-02-03 08:00:00
  • Modify Date: 2025-08-21 12:04:18
  • Demeclocycline Hcl is a tetracycline antibiotic; is an antibiotic in the treatment of Lyme disease, acne, and bronchitis.
Name demeclocycline hydrochloride
Synonyms 2-Naphthacenecarboxamide, 7-chloro-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-1,11-dioxo-, (4S,4aS,5aS,6S,12aS)-, hydrochloride (1:1)
Ledermycin hydrochloride
EINECS 200-592-2
Demeclocycline hydrochloride
(4S,4aS,5aS,6S,12aR)-7-chloro-4-(dimethylamino)-1,6,10,11,12a-pentahydroxy-3,12-dioxo-4a,5,5a,6-tetrahydro-4H-tetracene-2-carboxamide,hydrochloride
(4S,4aS,5aS,6S,12aS)-7-chloro-4-(diméthylamino)-3,6,10,12,12a-pentahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotétracène-2-carboxamide chlorhydrate
demeclocycline hydrochloride [INN_en]
(4S,4aS,5aS,6S,12aS)-7-Chloro-4-(dimethylamino)-3,6,10,12,12a-pentahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydro-2-tetracenecarboxamide hydrochloride (1:1)
(4S,4aS,5aS,6S,12aS)-7-chloro-4-(dimethylamino)-3,6,10,12,12a-pentahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide hydrochloride
(4S,4aS,5aS,6S,12aS)-7-Chloro-4-(dimethylamino)-3,6,10,12,12a-pentahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide hydrochloride (1:1)
(4S,4aS,5aS,6S,12aS)-7-Chlor-4-(dimethylamino)-3,6,10,12,12a-pentahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracen-2-carboxamidhydrochlorid
2-naphthacenecarboxamide, 7-chloro-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-1,11-dioxo-, (4S,4aS,5aS,6S,12aS)-, monohydrochloride
MFCD00864922
Demeclocycline (hydrochloride)
Description Demeclocycline Hcl is a tetracycline antibiotic; is an antibiotic in the treatment of Lyme disease, acne, and bronchitis.
Related Catalog
Boiling Point 795.9ºC at 760 mmHg
Melting Point >245°C (dec.)
Molecular Formula C21H22Cl2N2O8
Molecular Weight 501.314
Flash Point 435.2ºC
Exact Mass 500.075317
PSA 181.62000
LogP 1.76720
Storage condition −20°C
Water Solubility H2O: 20 mg/mL, clear, very deep greenish yellow

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QI7700000
CHEMICAL NAME :
2-Naphthacenecarboxamide, 7-chloro-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octah ydro- 3,6,10,12,12a-pentahydroxy-1,11-dioxo-, monohydrochloride
CAS REGISTRY NUMBER :
64-73-3
LAST UPDATED :
199706
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
C21-H21-Cl-N2-O8.Cl-H
MOLECULAR WEIGHT :
501.35
WISWESSER LINE NOTATION :
L E6 C666 BV FV CU GUTTT&J DQ EQ GVZ HQ IN1&1 MQ OG RQ &GH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
69 mg/kg/4D-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - renal function tests depressed Kidney, Ureter, Bladder - other changes in urine composition Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
AJKDDP American Journal of Kidney Diseases. (Grune & Stratton, Inc., Journal Subscription Dept., POB 6280, Duluth, MN 55806) V.1- 1981- Volume(issue)/page/year: 5,270,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2372 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 18,185,1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
94 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: -,704,1990
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2150 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: -,704,1990
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
275 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AISMAE Archivio Italiano di Scienze Mediche Tropical e di Parassitologia. Italian Archives of the Science of Tropical Medicine and Parasitology. (Rome, Italy) V.1-54, 1920-73. Suspended. Volume(issue)/page/year: 43,143,1962 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Unreported
DOSE :
48 ug/kg
SEX/DURATION :
female 28 week(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - delayed effects
REFERENCE :
PEDIAU Pediatrics. (American Academy of Pediatrics, P.O. Box 1034, Evanston, IL 60204) V.1- 1948- Volume(issue)/page/year: 34,423,1964
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intrauterine
DOSE :
50 mg/kg
SEX/DURATION :
female 1 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - uterus, cervix, vagina
REFERENCE :
CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 29,553,1984 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4830 No. of Facilities: 33 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 291 (estimated) No. of Female Employees: 129 (estimated)
Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H317
Precautionary Statements P280
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xi:Irritant;
Risk Phrases R43
Safety Phrases S36/37
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS QI7700000
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