Drugs that are pharmacologically inactive but when exposed to ultraviolet radiation or sunlight are converted to their active metabolite to produce a beneficial reaction affecting the diseased tissue. These compounds can be administered topically or systemically and have been used therapeutically to treat psoriasis and various types of neoplasms. (See all compounds classified as Photosensitizing Agents.)

Molecular Formula	C₅H₁₀ClNO₃
Molecular Weight	167.59 g/mol
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	4
Exact Mass	167.0349209 g/mol
Monoisotopic Mass	167.0349209 g/mol
Topological Polar Surface Area	80.4 Å²
Heavy Atom Count	10
Formal Charge	0
Complexity	121
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
Covalently Bonded Unit Count	2

1 of 2
Drug Name	Levulan
PubMed Health	Aminolevulinic Acid (On the skin)
Drug Classes	Photosensitizing Agent
Active Ingredient	Aminolevulinic acid hydrochloride
Dosage Form	Solution
Route	Topical
Strength	20%
Market Status	Prescription
Company	Dusa

2 of 2
Drug Name	Levulan
PubMed Health	Aminolevulinic Acid (On the skin)
Drug Classes	Photosensitizing Agent
Active Ingredient	Aminolevulinic acid hydrochloride
Dosage Form	Solution
Route	Topical
Strength	20%
Market Status	Prescription
Company	Dusa

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10 API Suppliers

6 USDMF

2 JDMF

1 KDMF

4 NDC API

4 Listed Suppliers

$ API Reference Price

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19 Drugs in Development

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8 Europe

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1 Rochem International Inc

2 DKSH

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3 Nanjing Well Pharmaceutical

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14 Solubilizers

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4 Film Formers & Plasticizers

3 Rheology Modifiers

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$ 31,474

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