*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : AH0525000
CHEMICAL NAME           : Acetic acid,
                          ((1,2-dihydro-5,6,17,19,21-pentahydroxy-23-methoxy-2,
                          4,12,16,18,20,22-hepta
                          methyl-1,11-dioxo-2,7-(epoxypentadeca(1,11,13)trienim
                          ino)naphtho(2,1-b)fur an-9-yl)- oxy)-, 21-acetate
CAS REGISTRY NUMBER     : 13929-35-6
LAST UPDATED            : 199801
DATA ITEMS CITED        : 13
MOLECULAR FORMULA       : C39-H49-N-O14
MOLECULAR WEIGHT        : 755.89
WISWESSER LINE NOTATION : T C6 B65-24- A D E 2BC G& AV LO NO F&VM DU OU B&U D&U
                          MHT&TTJ DO1VQ GQ IQ J1 M1 QO1 R1 SOV1 T
COMPOUND DESCRIPTOR     : Drug
                          Natural Product
SYNONYMS/TRADE NAMES :
   * 4-O-(Carboxymethyl)rifamycin
   * Nacimycin
   * NCI 145-604
   * Rifamycin B
   * Rifamycin, 4-O-(carboxymethyl)-
   * Rifomycin B
 
                       *** 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           : >3 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ABANAE Antibiotics Annual.  (New York, NY)  1953-60.  For publisher
   information, see AMACCQ.  Volume(issue)/page/year: 7,277,1959/1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >3 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ABANAE Antibiotics Annual.  (New York, NY)  1953-60.  For publisher
   information, see AMACCQ.  Volume(issue)/page/year: 7,277,1959/1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >3 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ABANAE Antibiotics Annual.  (New York, NY)  1953-60.  For publisher
   information, see AMACCQ.  Volume(issue)/page/year: 7,277,1959/1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1680 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85ERAY "Antibiotics: Origin, Nature, and Properties," Korzyoski, T., et al.,
   eds., Washington, DC, American Soc. for Microbiology, 1978
   Volume(issue)/page/year: 1,865,1978
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >3 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ABANAE Antibiotics Annual.  (New York, NY)  1953-60.  For publisher
   information, see AMACCQ.  Volume(issue)/page/year: 7,277,1959/1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >3 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ABANAE Antibiotics Annual.  (New York, NY)  1953-60.  For publisher
   information, see AMACCQ.  Volume(issue)/page/year: 7,277,1959/1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >3 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ABANAE Antibiotics Annual.  (New York, NY)  1953-60.  For publisher
   information, see AMACCQ.  Volume(issue)/page/year: 7,277,1959/1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2040 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85KYAH "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals",
   11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989 Volume(issue)/page/year:
   11,1308,1989
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : >3 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ABANAE Antibiotics Annual.  (New York, NY)  1953-60.  For publisher
   information, see AMACCQ.  Volume(issue)/page/year: 7,277,1959/1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 1200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85ERAY "Antibiotics: Origin, Nature, and Properties," Korzyoski, T., et al.,
   eds., Washington, DC, American Soc. for Microbiology, 1978
   Volume(issue)/page/year: 1,865,1978
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 3 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85ERAY "Antibiotics: Origin, Nature, and Properties," Korzyoski, T., et al.,
   eds., Washington, DC, American Soc. for Microbiology, 1978
   Volume(issue)/page/year: 1,865,1978
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 40 gm/kg/20D-I
TOXIC EFFECTS :
   Skin and Appendages - dermatitis, other (after systemic exposure)
REFERENCE :
   ABANAE Antibiotics Annual.  (New York, NY)  1953-60.  For publisher
   information, see AMACCQ.  Volume(issue)/page/year: 7,277,1959/1960
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 11 gm/kg/44D-I
TOXIC EFFECTS :
   Skin and Appendages - dermatitis, other (after systemic exposure)
REFERENCE :
   ABANAE Antibiotics Annual.  (New York, NY)  1953-60.  For publisher
   information, see AMACCQ.  Volume(issue)/page/year: 7,277,1959/1960
 
                            *** END OF RECORD ***