Benztropine mesylate

甲磺酸苯扎托品

Also known as: Cogentin, Cogentinol, Benzatropine mesylate, Benzotropine mesylate, Benztropine methanesulfonate, 3-(Diphenylmethoxy)-8-methyl-8-azoniabicyclo[3.2.1]octane methanesulfonate, Tropine benzohydryl ether methanesulfonate

Benztropine mesylate (CAS 132-17-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H29NO4S and a molecular weight of 403.535 g/mol. It is also known as Cogentin, Cogentinol and Benzatropine mesylate. Key properties include a melting point of 135 °C(lit.), a boiling point of 547.8ºC at 760 mmHg and a flash point of 285.1ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 132-17-2
Jingsj CID: J-47468-9
Molecular Formula: C₂₂H₂₉NO₄S
Chinese Name: 甲磺酸苯扎托品
Molecular Weight: 403.535 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	135 °C(lit.)
Boiling Point	547.8ºC at 760 mmHg
Flash Point	285.1ºC
Exact Mass	403.181732
PSA	75.22000
LogP	4.94050
Vapor Pressure	7.83E-13mmHg at 25°C
Storage Conditions	2-8°C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

H301 — Toxic if swallowed
H311 — Toxic in contact with skin
H331 — Toxic if inhaled

Activity & Biological Data

Additional Information	[1]. Wszola, B.A., K.M. Newell, and R.L. Sprague, Risk factors for tardive dyskinesia in a large population of youths and adults. Exp Clin Psychopharmacol, 2001. 9(3): p. 285-96. [2]. van Harten, P.N., et al., Intermittent neuroleptic treatment and risk for tardive dyskinesia: Curacao Extrapyramidal Syndromes Study III. Am J Psychiatry, 1998. 155(4): p. 565-7. [3]. Kulkarni, S.S., et al., Comparative structure-activity relationships of benztropine analogues at the dopamine transporter and histamine H(1) receptors. Bioorg Med Chem, 2006. 14(11): p. 3625-34.

Additional Information

[1]. Wszola, B.A., K.M. Newell, and R.L. Sprague, Risk factors for tardive dyskinesia in a large population of youths and adults. Exp Clin Psychopharmacol, 2001. 9(3): p. 285-96. [2]. van Harten, P.N., et al., Intermittent neuroleptic treatment and risk for tardive dyskinesia: Curacao Extrapyramidal Syndromes Study III. Am J Psychiatry, 1998. 155(4): p. 565-7. [3]. Kulkarni, S.S., et al., Comparative structure-activity relationships of benztropine analogues at the dopamine transporter and histamine H(1) receptors. Bioorg Med Chem, 2006. 14(11): p. 3625-34.

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Benztropine mesylate?

The CAS number of Benztropine mesylate is 132-17-2.

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

Benztropine mesylate has molecular formula C22H29NO4S and molecular weight 403.535 g/mol.

Is Benztropine mesylate hazardous?

Benztropine mesylate has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H331 — Toxic if inhaled.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Benztropine mesylate (CAS 132-17-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47468-9 (accessed 2026-10-28).

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