Dorzolamide hydrochloride

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MedKoo CAT#: 315352

CAS#: 130693-82-2

Description: Dorzolamide (trade name Trusopt) is a carbonic anhydrase inhibitor. It is an anti-glaucoma agent and topically applied in the form of eye drops. This drug, developed by Merck, was the first drug in human therapy (market introduction 1995) which resulted from structure-based drug design. Dorzolamide hydrochloride is used to lower increased intraocular pressure in open-angle glaucoma and ocular hypertension. The combination of dorzolamide with timolol is marketed under the trade name Cosopt.

Price and Availability

Size Price Shipping out time Quantity
Inquire bulk and customized quantity

Pricing updated 2020-08-13. Prices are subject to change without notice.

Dorzolomide hydrochloride is not in stock, but may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 315352
Name: Dorzolamide hydrochloride
CAS#: 130693-82-2
Chemical Formula: C10H17ClN2O4S3
Exact Mass:
Molecular Weight: 360.9
Elemental Analysis: C, 33.28; H, 4.75; Cl, 9.82; N, 7.76; O, 17.73; S, 26.65

Synonym: TRUSOPT; (2S4S)2Ethylamino4methyl55dioxo57dithiabicyclo4.3.0nona810diene8sulfonamide hydrochloride; (4Strans)4(ethylamino)56dihydro6methyl4Hthieno23bthiopyran2sulfonamide 77dioxide monohydrochloride.

IUPAC/Chemical Name: (4S,6S)-4-(ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide hydrochloride


InChi Code: InChI=1S/C10H16N2O4S3.ClH/c1-3-12-8-4-6(2)18(13,14)10-7(8)5-9(17-10)19(11,15)16;/h5-6,8,12H,3-4H2,1-2H3,(H2,11,15,16);1H/t6-,8-;/m0./s1

SMILES Code: O=S(C(S1)=CC([C@@H](NCC)C[C@@H]2C)=C1S2(=O)=O)(N)=O.[H]Cl

Technical Data

Solid powder

>98% (or refer to the Certificate of Analysis)

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO.

Shelf Life:
>2 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code:


1: Kobayashi M, Naito K. [Pharmacological profiles of the potent carbonic anhydrase inhibitor dorzolamide hydrochloride, a topical antiglaucoma agent]. Nihon Yakurigaku Zasshi. 2000 Jun;115(6):323-8. Review. Japanese. PubMed PMID: 10948564.