γ-Hydroxyvaleric acid (GHV), also known as 4-methyl-GHB, is a designer drug related to γ-hydroxybutyric acid (GHB). It is sometimes seen on the black market as a legal alternative to GHB, but with lower potency and higher toxicity, properties which have tended to limit its recreational use.

CAS：13532-37-1
中文别名：
英文别名：4-hydroxy-pentanal;4-Hydroxy-valeraldehyd;4-hydroxyvaleric acid;(+-)-4-Hydroxy-valeriansaeure;(+-)-4-hydroxy-valeraldehyde;DL-4-hydroxy-valeric acid;Pentanal,4-hydroxy;
分子式：C5H10O3
分子量：118.131
精确质量：118.063
Psa：57.53
Logp：0.232

UNII：58B139Q3RL

密度：1.14g/cm3
沸点：277.3ºC at 760mmHg
闪点：135.7ºC
折射率：1.458
蒸汽压：0.000564mmHg at 25°C