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1,1-Dimethylethyl 3-cyano-3-[3-[2-(trimethylsilyl)ethynyl]-2-pyridinyl]-1-azetidinecarboxylate structure
1,1-Dimethylethyl 3-cyano-3-[3-[2-(trimethylsilyl)ethynyl]-2-pyridinyl]-1-azetidinecarboxylate structure

1,1-Dimethylethyl 3-cyano-3-[3-[2-(trimethylsilyl)ethynyl]-2-pyridinyl]-1-azetidinecarboxylate

Iupac Name:(1,1-dimethylpyrrolidin-1-ium-3-yl) 2-cyclopentyl-2-hydroxy-2-phenylacetate;bromide
CAS No.:596-51-0
Molecular Weight:398.33452
1. Names and Identifiers
1.1 Name
1,1-Dimethylethyl 3-cyano-3-[3-[2-(trimethylsilyl)ethynyl]-2-pyridinyl]-1-azetidinecarboxylate
1.2 Synonyms

1-Azetidinecarboxylic acid, 3-cyano-3-[3-[2-(trimethylsilyl)ethynyl]-2-pyridinyl]-, 1,1-dimethylethyl ester 3-Cyano-3-(3-trimethylsilanylethynyl-pyridin-2-yl)-azetidine-1-carboxylic acid tert-butyl ester

1.3 CAS No.
596-51-0
1.4 CID
11693
1.5 Molecular Formula
C19H25N3O (isomer)
1.6 Inchi
InChI=1S/C19H28NO3.BrH/c1-20(2)13-12-17(14-20)23-18(21)19(22,16-10-6-7-11-16)15-8-4-3-5-9-15;/h3-5,8-9,16-17,22H,6-7,10-14H2,1-2H3;1H/q+1;/p-1
1.7 InChkey
VPNYRYCIDCJBOM-UHFFFAOYSA-M
1.8 Canonical Smiles
C[N+]1(CCC(C1)OC(=O)C(C2CCCC2)(C3=CC=CC=C3)O)C.[Br-]
1.9 Isomers Smiles
C[N+]1(CCC(C1)OC(=O)C(C2CCCC2)(C3=CC=CC=C3)O)C.[Br-]
2. Properties
3.1 Melting point
193 - 194.5
3.1 Refractive index
1.6200 (estimate)
3.1 Precise Quality
397.12500
3.1 PSA
46.53000
3.1 logP
-0.58090
3. Safety and Handling
4.1 Symbol
GHS07
4.1 Signal Word
Warning
4.1 Risk Statements
36/37/38
4.1 Safety Statements
26
4.1 Hazard Declaration
H315-H319-H335
4.1 RIDADR
NONH for all modes of transport
4.1 Caution Statement
P305 + P351 + P338
4.1 WGK Germany
3
4.1 RTECS
UY4337630
4. MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Skin irritation, Category 2

Eye irritation, Category 2

Specific target organ toxicity \u2013 single exposure, Category 3

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Warning

Hazard statement(s)

H315 Causes skin irritation

H319 Causes serious eye irritation

H335 May cause respiratory irritation

Precautionary statement(s)
Prevention

P264 Wash ... thoroughly after handling.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P271 Use only outdoors or in a well-ventilated area.

Response

P302+P352 IF ON SKIN: Wash with plenty of water/...

P321 Specific treatment (see ... on this label).

P332+P313 If skin irritation occurs: Get medical advice/attention.

P362+P364 Take off contaminated clothing and wash it before reuse.

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P337+P313 If eye irritation persists: Get medical advice/attention.

P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P312 Call a POISON CENTER/doctor/\u2026if you feel unwell.

Storage

P403+P233 Store in a well-ventilated place. Keep container tightly closed.

P405 Store locked up.

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

5. Computational chemical data
  • Molecular Weight:398.33452g/mol
  • Molecular Formula:C19H25N3O
  • Compound Is Canonicalized:True
  • XLogP3-AA:
  • Exact Mass:397.12526
  • Monoisotopic Mass:397.12526
  • Complexity:424
  • Rotatable Bond Count:5
  • Hydrogen Bond Donor Count:1
  • Hydrogen Bond Acceptor Count:4
  • Topological Polar Surface Area:46.5
  • Heavy Atom Count:24
  • Defined Atom Stereocenter Count:0
  • Undefined Atom Stereocenter Count:2
  • Defined Bond Stereocenter Count:0
  • Undefined Bond Stereocenter Count:0
  • Isotope Atom Count:0
  • Covalently-Bonded Unit Count:2
6. Question & Answer
  • Yes it is a highly anticholinergic drug. Being a quaternary ammonium compound; its side effects are typically atropine-like. Dry mouth, blurred vision, urinary retention are but a few of its side effects. Because of its quaternary ammonium character it rarely causes CNS disturbances.
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