Dorzolamide hydrochloride

    WARNING: This product is for research use only, not for human or veterinary use.

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.


Chemical Structure

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Dorzolamide hydrochloride
CAS# 130693-82-2

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

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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 Key: OSRUSFPMRGDLAG-QMGYSKNISA-N

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

Appearance: Solid powder

Purity: >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).

Solubility: 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: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 360.9 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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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.