Butacaine Sulfate -

Typically found as a white or off-white crystalline solid. Molecular Formula: (often cited with a molecular weight of approximately in its sulfate salt form).

The drug was removed from the U.S. market in 1990 but remains available as a Research-Only Compound for laboratory studies. Pharmacological Mechanism

It is soluble in water and alcohol; however, it can be difficult to disperse in certain oily coating materials. Historical Consumer Application Butacaine sulfate | CAS#149-15-5 | white crystalline ester butacaine sulfate

Local surface anesthetic used primarily on mucous membranes.

It features a more rapid onset and a more prolonged duration of action compared to cocaine. Typically found as a white or off-white crystalline solid

It was widely utilized in dentistry for dental pain and ophthalmology for eye examinations and minor surgical procedures.

(also known as Butyn ) is a para-aminobenzoic acid (PABA) ester local anesthetic. Historically used as a fast-acting alternative to cocaine, it has largely been superseded by modern amides like lidocaine in clinical practice. Core Identity & Medical Use market in 1990 but remains available as a

Like other local anesthetics, it works by inhibiting voltage-gated sodium ion channels in nerve cells. This prevents the propagation of electrical impulses, effectively blocking the transmission of pain signals.