*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : OQ2290000
CHEMICAL NAME           : Maytansine
CAS REGISTRY NUMBER     : 35846-53-8
BEILSTEIN REFERENCE NO. : 5417399
LAST UPDATED            : 199801
DATA ITEMS CITED        : 16
MOLECULAR FORMULA       : C34-H46-Cl-N3-O10
MOLECULAR WEIGHT        : 692.28
WISWESSER LINE NOTATION : T D3 K6-19-6 A K- EO IVN WNVO QU SUTJ C1 GOVY1&N1&V1
                          J1 LG MO1 Q1 UO1 VQ
COMPOUND DESCRIPTOR     : Drug
                          Mutagen
                          Reproductive Effector
                          Human
                          Natural Product
SYNONYMS/TRADE NAMES :
   * Maytansin
   * NSC-153858
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Human
DOSE/DURATION           : 190 ug/kg/5D
TOXIC EFFECTS :
   Behavioral - hallucinations, distorted perceptions
   Behavioral - changes in motor activity (specific assay)
   Gastrointestinal - nausea or vomiting
REFERENCE :
   JNCIAM Journal of the National Cancer Institute.  (Washington, DC)  V.1-60,
   1940-78.  For publisher information, see JJIND8.  Volume(issue)/page/year:
   60,93,1978
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 480 ug/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - dyspnea
   Gastrointestinal - hypermotility, diarrhea
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   CTRRDO Cancer Treatment Reports.  (Washington, DC)  V.60-71, 1976-87.  For
   publisher information,  see JNCIEQ.  Volume(issue)/page/year: 61,1333,1977
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 245 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCISP* National Cancer Institute Screening Program Data Summary,
   Developmental Therapeutics Program. (Bethesda, MD 20205)
   Volume(issue)/page/year: JAN1986
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1530 ug/kg
TOXIC EFFECTS :
   Blood - leukopenia
   Blood - thrombocytopenia
   Skin and Appendages - hair
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: PB82-165507
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1305 ug/kg/7W-I
TOXIC EFFECTS :
   Behavioral - changes in motor activity (specific assay)
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
   Nutritional and Gross Metabolic - body temperature increase
REFERENCE :
   JJATDK JAT, Journal of Applied Toxicology.  (John Wiley & Sons Ltd., Baffins
   Lane, Chichester, W. Sussex PO19 1UD, UK)  V.1-    1981-
   Volume(issue)/page/year: 4,330,1984
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 700 ug/kg/5D-I
TOXIC EFFECTS :
   Behavioral - muscle contraction or spasticity
   Blood - pigmented or nucleated red blood cells
   Blood - leukopenia
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: PB82-165507
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 200 ug/kg
SEX/DURATION            : female 7 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Effects on Embryo or Fetus - fetal death
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   BIHAA2 Bibliotheca Haematologica (Basel).  (S. Karger AG, Postfach, CH-4009
   Basel, Switzerland) No.1-    1955-  Volume(issue)/page/year: 43,495,1976
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 200 ug/kg
SEX/DURATION            : female 7 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - Central Nervous System
   Reproductive - Specific Developmental Abnormalities - eye/ear
   Reproductive - Specific Developmental Abnormalities - craniofacial
   (including nose and tongue)
REFERENCE :
   BIHAA2 Bibliotheca Haematologica (Basel).  (S. Karger AG, Postfach, CH-4009
   Basel, Switzerland) No.1-    1955-  Volume(issue)/page/year: 43,495,1976
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 200 ug/kg
SEX/DURATION            : female 7 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - urogenital system
REFERENCE :
   BIHAA2 Bibliotheca Haematologica (Basel).  (S. Karger AG, Postfach, CH-4009
   Basel, Switzerland) No.1-    1955-  Volume(issue)/page/year: 43,495,1976
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 250 ug/kg
SEX/DURATION            : female 8 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - cytological changes (including
   somatic cell genetic material)
REFERENCE :
   TJADAB Teratology, The International Journal of Abnormal Development. (Alan
   R. Liss, Inc., 41 E. 11th St., New York, NY 10003)  V.1-    1968-
   Volume(issue)/page/year: 18,31,1978
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : DNA inhibition
TEST SYSTEM             : Non-mammalian species Embryo
DOSE/DURATION           : 60 nmol/L
REFERENCE :
   SCIEAS Science.  (American Assoc. for the Advancement of Science, 1333 H
   St., NW, Washington, DC 20005)  V.1-    1895-  Volume(issue)/page/year:
   189,1002,1975
 
TYPE OF TEST            : DNA inhibition
TEST SYSTEM             : Non-mammalian species Embryo
DOSE/DURATION           : 60 nmol/L
REFERENCE :
   SCIEAS Science.  (American Assoc. for the Advancement of Science, 1333 H
   St., NW, Washington, DC 20005)  V.1-    1895-  Volume(issue)/page/year:
   189,1002,1975
 
TYPE OF TEST            : DNA inhibition
TEST SYSTEM             : Non-mammalian species Embryo
DOSE/DURATION           : 60 nmol/L
REFERENCE :
   SCIEAS Science.  (American Assoc. for the Advancement of Science, 1333 H
   St., NW, Washington, DC 20005)  V.1-    1895-  Volume(issue)/page/year:
   189,1002,1975
 
TYPE OF TEST            : DNA inhibition
TEST SYSTEM             : Rodent - mouse Leukocyte
DOSE/DURATION           : 100 nmol/L
REFERENCE :
   BCPCA6 Biochemical Pharmacology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.1-    1958-  Volume(issue)/page/year:
   24,751,1975
 
TYPE OF TEST            : Mutation test systems - not otherwise specified
TEST SYSTEM             : Rodent - mouse Ascites tumor
DOSE/DURATION           : 100 ug/kg
REFERENCE :
   JNCIAM Journal of the National Cancer Institute.  (Washington, DC)  V.1-60,
   1940-78.  For publisher information, see JJIND8.  Volume(issue)/page/year:
   60,649,1978
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - mouse Ascites tumor
DOSE/DURATION           : 100 ug/kg
REFERENCE :
   JNCIAM Journal of the National Cancer Institute.  (Washington, DC)  V.1-60,
   1940-78.  For publisher information, see JJIND8.  Volume(issue)/page/year:
   60,649,1978
 
                            *** END OF RECORD ***