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CHES (N-cyclohexyl-2-aminoethanesulfonic acid) is a buffering agent. CHES buffers have a useful range of pH 8.6–10. CHES buffers have a useful range of pH 8.6–10. [ 1 ]
CAPS is the common name for 3-(Cyclohexylamino)-1-propanesulfonic acid, a chemical used as buffering agent in biochemistry. The similar substance N-cyclohexyl-2-hydroxyl-3-aminopropanesulfonic acid (CAPSO) is also used as buffering agent in biochemistry. Its useful pH range is 9.7-11.1.
Aqueous Cream BP, also known as sorbolene, is a light, hydrocarbon-based emulsion, which is officially registered in the British Pharmacopoeia and categorised by the British National Formulary as a non-proprietary emollient preparation. [1]
Salts of undecylenic acid such as zinc undecenoate and calcium undecenoate are commonly formulated into antifungal creams, ointments, solutions or powders. Undecenoic acid and its salt forms are applied topically to treat superficial dermatophytosis, in particular tinea corporis (ringworm), tinea pedis (athlete's foot), and tinea cruris (jock ...
A container with cream. Topical cream formulation is an emulsion semisolid dosage form that is used for skin external application. Most of the topical cream formulations contain more than 20 per cent of water and volatiles and/or less than 50 per cent of hydrocarbons, waxes, or polyethylene glycols as the vehicle for external skin application. [1]
Ethanesulfonic acid (esylic acid) is a sulfonic acid with the chemical formula CH 3 CH 2 SO 3 H. The conjugate base is known as ethanesulfonate or, when used in pharmaceutical formulations, as esilate. It is a colorless liquid. [2]
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[1] The main chemical reaction effected by the thioglycolate is: 2 HSCH 2 CO 2 H (thioglycolic acid) + R-S-S-R → HO 2 CCH 2-S-S-CH 2 CO 2 H (dithiodiglycolic acid) + 2 RSH . Chemical depilatories contain 5–6% calcium thioglycolate in a cream base (to avoid runoff). Calcium hydroxide or strontium hydroxide maintain a pH of about 12. Hair ...