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Substance Name: Insulin-like growth factor I
RN: 67763-96-6


  • A well-characterized basic peptide believed to be secreted by the liver and to circulate in the blood. It has growth-regulating, insulin-like, and mitogenic activities. This growth factor has a major, but not absolute, dependence on GROWTH HORMONE. It is believed to be mainly active in adults in contrast to INSULIN-LIKE GROWTH FACTOR II, which is a major fetal growth factor.

Molecular Formula

  • Unspecified

Classification Codes

  • Immunomodulator
  • Mutation Data
  • Natural Product
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Names and Synonyms

Name of Substance

  • Insulin-like growth factor I

MeSH Heading

  • Insulin-like growth factor I


  • IGF-1
  • IGF-I
  • Insulin-like growth factor I
  • Insulin-like growth factor-1
  • Somatomedin C
  • Sulfation factor C

Systematic Name

  • Insulin-like growth factor I

Registry Numbers

CAS Registry Number

  • 67763-96-6

Other Registry Number

  • 61461-67-4

System Generated Number

  • 0067763966