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Impurities and reference standards

GI 90291

Also known as Remifentanil Acid, GR 90291, 1-Piperidinepropanoic acid, 4-(methoxycarbonyl)-4-((1-oxopropyl)phenylamino)-

CAS 132875-68-4Formula C19H26N2O5Molar mass 362.43 g/molEC 695-292-5
GHS signal word: Danger. Pictograms: Harmful or irritant, Serious health hazard
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GI 90291 chemical structure, C19H26N2O5, CAS 132875-68-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
132875-68-4
Formula
C19H26N2O5
Molar mass
362.43 g/mol
EC number
695-292-5
HS code
293339
Category
Impurities and reference standards

What is GI 90291?

Plain description, key identifiers and synonyms

GI 90291 is a chemical substance with the molecular formula C19H26N2O5 and a molar mass of 362.43 g/mol. Its CAS registry number is 132875-68-4. The IUPAC name is 3-[4-methoxycarbonyl-4-(N-propanoylanilino)piperidin-1-yl]propanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-[4-methoxycarbonyl-4-(N-propanoylanilino)piperidin-1-yl]propanoic acid
CAS number
132875-68-4 CAS number cross-checked
EC number
695-292-5
Molecular formula
C19H26N2O5
UNII
E1EZX4S2E1
InChIKey
GFJKFSFFMHOISI-UHFFFAOYSA-N
InChI
InChI=1S/C19H26N2O5/c1-3-16(22)21(15-7-5-4-6-8-15)19(18(25)26-2)10-13-20(14-11-19)12-9-17(23)24/h4-8H,3,9-14H2,1-2H3,(H,23,24)
SMILES (canonical and isomeric)
CCC(=O)N(C1=CC=CC=C1)C2(CCN(CC2)CCC(=O)O)C(=O)OC

Synonyms

  • Remifentanil Acid
  • GR 90291
  • 1-Piperidinepropanoic acid, 4-(methoxycarbonyl)-4-((1-oxopropyl)phenylamino)-
  • GR 90291C
  • 3-[4-methoxycarbonyl-4-(N-propanoylanilino)piperidin-1-yl]propanoic acid
  • Remifentanil EP Impurity C
  • 4-Methoxycarbonyl-4-((1-oxopropyl)phenylamino)-1-piperidine propionic acid
  • 3-[4-(Methoxycarbonyl)-4-(N-phenylpropanamido)piperidin-1-yl]propanoic acid
  • Modafinil Related Compound C (Free Base)
  • Remifentanil hydrochloride impurity c
  • 3-(4-(Methoxycarbonyl)-4-(phenyl(propanoyl)amino)piperidin-1-yl)propanoic acid

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
362.43 g/molcalc.
Exact mass
362.1842 Dacalc.
LogP (octanol/water)
1.91calc.
Topological polar surface area
87.15 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
7calc.
Heavy atoms
26calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.53calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc(NC2CCNCC2)cc1

c1ccc(NC2CCNCC2)cc1

2 rings, 13 atoms, the 4-Anilinopiperidine ring system.

555 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302Harmful if swallowed.
  • H317May cause an allergic skin reaction.
  • H370Causes damage to organs.
Precautionary statements (15)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P308 + P316If exposed or concerned: Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

GI 90291 suppliers

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GI 90291 price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code GI 90291 is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for GI 90291 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about GI 90291, based on the data on this page

What is GI 90291?

GI 90291 is a chemical substance with the molecular formula C19H26N2O5 and a molar mass of 362.43 g/mol. Its CAS registry number is 132875-68-4. The IUPAC name is 3-[4-methoxycarbonyl-4-(N-propanoylanilino)piperidin-1-yl]propanoic acid.

What is the CAS number of GI 90291?

The CAS registry number of GI 90291 is 132875-68-4.

What is the molecular formula and weight of GI 90291?

The molecular formula of GI 90291 is C19H26N2O5 and its molar mass is 362.43 g/mol.

Is GI 90291 hazardous?

GI 90291 carries the GHS signal word "Danger". Main hazards: harmful if swallowed, may cause an allergic skin reaction, causes damage to organs. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of GI 90291?

GI 90291 is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy GI 90291?

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What is the price of GI 90291?

Suppliers quote GI 90291 on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle GI 90291

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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