National Toxicology Program

National Toxicology Program

Testing Status of Orotic acid - M88003


CASRN: 65-86-1

Formula: C5-H4-N2-O4

Synonyms/Common Names

  • 4-Pyrimidinecarboxylic acid,1,2,3,6-tetrahydro-2,6-dioxo (9CI)

Known Uses

Proposed as feed supplement to aid growth of calves, found in milk (Merck 1989)

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Salmonella  (014372)  Completed 
    •  Negative 
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.