Vecuronium bromide

Also known as: Norcuron, Vecuronium Bromide Hydrate, (2β,3α,5α,16β,17β)-3,17-Diacetoxy-16-(1-methyl-1-piperidiniumyl)-2-(1-piperidinyl)androstane bromide, (2β,3α,5α,16β,17β)-3,17-Diacetoxy-16-(1-methylpiperidinium-1-yl)-2-(piperidin-1-yl)androstane bromide, (2β,3α,5α,16β,17β)-3,17-bis(acetyloxy)-16-(1-methylpiperidinium-1-yl)-2-(piperidin-1-yl)androstane bromide, 1-[(2Beta,3alpha,5alpha,16beta,17beta)-3,17-bis(acetyloxy)-2-(1-piperidinyl)androstan-16-yl]-1-methylpiperidinium bromide hydrate, Androstane-3,17-diol, 16-(1-methyl-1-piperidiniumyl)-2-(1-piperidinyl)-, bromide, diacetate (ester), (2β,3α,5α,16β,17β)- (1:1), Piperidinium, 1-((2β,3α,5α,16β,17β)-3,17-bis(acetyloxy)-2-(1-piperidinyl)androstan-16-yl)-1-methyl-, bromide, [(2S,3S,5S,8R,9S,10S,13S,14S,16S,17R)-17-acetoxy-10,13-dimethyl-16-(1-methylpiperidin-1-ium-1-yl)-2-(1-piperidyl)-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate, nc-45, orgnc45, EINECS 256-723-9, MFCD00867762

Vecuronium bromide (CAS 50700-72-6) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C34H57BrN2O4 and a molecular weight of 637.731 g/mol. Key property: a melting point of 227-229°C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 50700-72-6
Jingsj CID: J-19185-4
Molecular Formula: C₃₄H₅₇BrN₂O₄
Molecular Weight: 637.731 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	227-229°C
Exact Mass	636.350159
PSA	55.84000
LogP	2.86660

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed

Activity & Biological Data

Additional Information	[1]. Meretoja, O.A., Vecuronium infusion requirements in pediatric patients during fentanyl-N2O-O2 anesthesia. Anesth Analg, 1989. 68(1): p. 20-4. [2]. Agoston, S., et al., The neuromuscular blocking action of ORG NC 45, a new pancuronium derivative, in anaesthetized patients. A pilot study. Br J Anaesth, 1980. 52 Suppl 1: p. 53S-59S. [3]. Shingu, K., et al., [Neuromuscular blocking effects of Org 9426 (rocuronium bromide); a comparative study with vecuronium bromide in Japanese patients]. Masui, 2006. 55(9): p. 1140-8.

Additional Information

[1]. Meretoja, O.A., Vecuronium infusion requirements in pediatric patients during fentanyl-N2O-O2 anesthesia. Anesth Analg, 1989. 68(1): p. 20-4. [2]. Agoston, S., et al., The neuromuscular blocking action of ORG NC 45, a new pancuronium derivative, in anaesthetized patients. A pilot study. Br J Anaesth, 1980. 52 Suppl 1: p. 53S-59S. [3]. Shingu, K., et al., [Neuromuscular blocking effects of Org 9426 (rocuronium bromide); a comparative study with vecuronium bromide in Japanese patients]. Masui, 2006. 55(9): p. 1140-8.

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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 Vecuronium bromide?

The CAS number of Vecuronium bromide is 50700-72-6.

What are the molecular formula and molecular weight of Vecuronium bromide?

Vecuronium bromide has molecular formula C34H57BrN2O4 and molecular weight 637.731 g/mol.

Is Vecuronium bromide hazardous?

Vecuronium bromide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Vecuronium bromide (CAS 50700-72-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19185-4 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.