Methoprene 是一种昆虫幼年生长激素的模拟物，是一种生长调节杀虫剂，通过作为幼年激素 (juvenile hormone) 激动剂来显示其对靶生物的毒性。

Methoprene, an insect juvenile growth hormone mimic, is a growth-regulating insecticide that manifests its toxicity to target organisms by acting as a juvenile hormone agonist.

Liquid

Methoprene reduces the growth rate of daphnids with evidence of only a single concentration-response line, having a threshold of 12.6 nM. Molt frequency is reduced by methoprene in a concentration-dependent manner, with a response curve corresponding to a 2-segmented line and thresholds at 4.2 and 0.21 nM. An endpoint related to reproductive maturation, the time of first brood deposition, is also affected by methoprene, with a clear concentration-dependent response and a NOEC of 32 nM. Methoprene reduces fecundity according to a 2-segmented line, with thresholds of 24 and < or =0.18 nM. Methoprene elicits significant toxicity to endocrine-related processes in the 5-50 nM concentration range. has not independently confirmed the accuracy of these methods. They are for reference only.

Room temperature in continental US; may vary elsewhere.

Pure form -20°C 3 years；4°C 2 years

[1]. Olmstead AW, LeBlanc GL. Low exposure concentration effects of methoprene on endocrine-regulated processes in the crustacean Daphnia magna. Toxicol Sci. 2001;62(2):268-273.
[2]. Monteiro JP, et al. Toxicity of methoprene as assessed by the use of a model microorganism. Toxicol In Vitro. 2005;19(7):951-956.

In Vitro: Ethanol : 100 mg/mL (322.09 mM; Need ultrasonic)Acetone : ≥ 50 mg/mL (161.05 mM)DMSO : 25 mg/mL (80.52 mM; Need ultrasonic)