Bromocriptine mesylate

甲磺酸溴隐亭

Also known as: Bromocriptine mesilate, Bromocriptine methanesulfonate, Parlodel, 2-Bromo-α-ergocryptine mesylate, CB-154 mesylate, (5'α)-2-bromo-12'-hydroxy-2'-(1-methylethyl)-5'-(2-methylpropyl)-3',6',18-trioxoergotaman methanesulfonate (salt), (6aR,9R)-5-bromo-N-[(2R,5S,10aS,10bS)-10b-hydroxy-2-(1-methylethyl)-5-(2-methylpropyl)-3,6-dioxooctahydro-8H-[1,3]oxazolo[3,2-a]pyrrolo[2,1-c]pyrazin-2-yl]-7-methyl-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxamide methanesulfonate (salt)

Bromocriptine mesylate (CAS 22260-51-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C33H44BrN5O8S and a molecular weight of 750.700 g/mol. It is also known as Bromocriptine mesilate, Bromocriptine methanesulfonate and Parlodel. Key properties include a boiling point of 891.3ºC at 760 mmHg and a flash point of 492.8ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 22260-51-1
Jingsj CID: J-1363970-9
Molecular Formula: C₃₃H₄₄BrN₅O₈S
Chinese Name: 甲磺酸溴隐亭
Molecular Weight: 750.700 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	891.3ºC at 760 mmHg
Flash Point	492.8ºC
Exact Mass	749.209412
PSA	180.96000
LogP	3.98220
Vapor Pressure	0mmHg at 25°C
Storage Conditions	2-8℃
Additional Property	H2O: 0.8 mg/mL

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning

H302 — Harmful if swallowed
H410 — Very toxic to aquatic life with long lasting effects

Activity & Biological Data

Target	pKi: 8.05±0.2 (dopamine D2 receptor)[1]
Additional Information	[1]. Gardner B, et al. Agonist action at D2(long) dopamine receptors: ligand binding and functional assays. Br J Pharmacol. 1998 Jul;124(5):978-84. [2]. Renodon A, et al. Bromocriptine is a strong inhibitor of brain nitric oxide synthase: possible consequences for the origin of its therapeutic effects.FEBS Lett. 1997 Apr 7;406(1-2):33-6. [3]. Wynalda MA, et al. Assessment of potential interactions between dopamine receptor agonists and various human cytochrome P450 enzymes using a simple in vitro inhibition screen. Drug Metab Dispos. 1997 Oct;25(10):1211-4. [4]. Rana DG, et al. Dopamine mediated antidepressant effect of Mucuna pruriens seeds in various experimental models of depression. Ayu. 2014 Jan;35(1):90-7. [5]. Dieb W, et al. Nigrostriatal dopaminergic depletion increases static orofacial allodynia. J Headache Pain. 2016;17:11.

Target

pKi: 8.05±0.2 (dopamine D2 receptor)[1]

Additional Information

[1]. Gardner B, et al. Agonist action at D2(long) dopamine receptors: ligand binding and functional assays. Br J Pharmacol. 1998 Jul;124(5):978-84. [2]. Renodon A, et al. Bromocriptine is a strong inhibitor of brain nitric oxide synthase: possible consequences for the origin of its therapeutic effects.FEBS Lett. 1997 Apr 7;406(1-2):33-6. [3]. Wynalda MA, et al. Assessment of potential interactions between dopamine receptor agonists and various human cytochrome P450 enzymes using a simple in vitro inhibition screen. Drug Metab Dispos. 1997 Oct;25(10):1211-4. [4]. Rana DG, et al. Dopamine mediated antidepressant effect of Mucuna pruriens seeds in various experimental models of depression. Ayu. 2014 Jan;35(1):90-7. [5]. Dieb W, et al. Nigrostriatal dopaminergic depletion increases static orofacial allodynia. J Headache Pain. 2016;17:11.

Frequently Asked Questions

What is the CAS number of Bromocriptine mesylate?

The CAS number of Bromocriptine mesylate is 22260-51-1.

What are the molecular formula and molecular weight of Bromocriptine mesylate?

Bromocriptine mesylate has molecular formula C33H44BrN5O8S and molecular weight 750.700 g/mol.

Is Bromocriptine mesylate hazardous?

Bromocriptine mesylate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H410 — Very toxic to aquatic life with long lasting effects.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Bromocriptine mesylate (CAS 22260-51-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1363970-9 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.