182540-M

Aromatase Inhibitor I

The Aromatase Inhibitor I, also referenced under CAS 331684-05-0, controls the biological activity of Aromatase.

• Synonym(s): Aromatase Inhibitor I, 4-(Imidazolylmethyl)-1-nitro-9H-9-xanthenone
• Empirical Formula (Hill Notation): C₁₇H₁₁N₃O₄
• CAS Number: 331684-05-0
• Molecular Weight: 321.29
• UNSPSC Code: 12352200

Properties

• Quality Level: 100
• assay: ≥95% (HPLC)
• form: solid
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze; protect from light
• color: white
• solubility: DMSO: 25 mg/mL
• storage temp.: −20°C

Description

General description

A potent, competitive, nonsteroidal inhibitor of aromatase (P450arom; IC₅₀ = 40 nM for human aromatase). Reported to be more potent than fadrozole in inhibiting aromatase activity. Does not significantly inhibit 17α-hydroxylase.

A potent, selective, nonsteroidal, competitive inhibitor of aromatase (P450arom) (IC₅₀ = 40 nM for human aromatase) Reported to be more potent than fadrozole in inhibiting aromatase activity. Does not significantly inhibit human 17α-hydroxylase (P450 17) (4% inhibition at 2.5 µM).

Biochem/physiol Actions

Primary Target
P450 arom.

Target IC₅₀: 40 nM against P450arom

Warning

Toxicity: Standard Handling (A)

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 6 months at -20°C.

Other Notes

Recanatini, M., et al. 2001. J. Med. Chem.44, 672.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable