Monobenzone CAS：103-16-2

First and foremost, Monobenzone is a synthetic phenolic depigmenting active pharmaceutical ingredient with stable melanin-inhibiting properties. This standardized crystalline raw material blocks tyrosinase activity to reduce melanin production in skin tissue. For this reason, dermatological pharmaceutical factories and professional skincare manufacturers widely adopt this depigmenting ingredient for prescription topical preparations.

To start with, monobenzone forms white fine crystalline powder with slight phenolic odor. In addition, it dissolves well in ethanol, propylene glycol and vegetable oils, while barely soluble in cold water. Meanwhile, light-proof sealed cool storage slows oxidative discoloration and maintains stable depigmenting activity. On the contrary, long-term exposure to strong sunlight and high temperature turns the powder gray and weakens its efficacy. Besides that, our finished monobenzone reaches over 99% HPLC purity and complies with pharmaceutical grade standards for dermatological formulations.

We adopt high-purity hydroquinone as core synthesis feedstock. Firstly, raw intermediates go through strict decolorization and impurity removal. Next, directional etherification reaction forms monobenzone molecular structure under low-temperature controlled conditions. After that, repeated recrystallization and vacuum drying eliminate residual solvent and unreacted raw materials. Furthermore, every finished batch undergoes strict HPLC purity, heavy metal and microbial limit testing. Thus, qualified stable Monobenzone is ready for global bulk pharmaceutical shipment.

Outbound authority link: FDA Dermatological API Safety Standards

Internal cross link: Browse similar pharmaceutical active raw material Levodopa

Compared with mild whitening plant extracts, monobenzone delivers powerful long-lasting melanin inhibition for clinical depigmentation demands. In addition, uniform crystal particle size enables even dispersion in ointments, creams and gel bases. Moreover, stable chemical structure maintains consistent efficacy after emulsification and low-temperature storage. Meanwhile, strictly controlled impurity content reduces skin irritation risks for prescription dermatological products.

For instance, it acts as core depigmenting API for dermatological creams to even out uneven skin pigmentation in vitiligo auxiliary treatment.

Blend monobenzone into compound topical ointments for medical-grade hyperpigmentation regulation under professional guidance.

Beyond formal drug manufacturing, this high-purity crystal serves as test reagent for melanin metabolism and tyrosinase inhibition related medical experiments.