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Heterocyclic building blocks

Gr 858

Also known as Cyclopenta(b)pyrrol-6-ol, octahydro-1,2-dimethyl-, hydriodide, Octahydro-1,2-dimethylcyclopenta(b)pyrrol-6-ol hydroiodide, Octahydro-1,2-dimethylcyclopenta(b)pyrrol-6-ol hydriodide

CAS 37642-31-2Formula C9H18INOMolar mass 283.15 g/mol
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Gr 858 chemical structure, C9H18INO, CAS 37642-31-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
37642-31-2
Formula
C9H18INO
Molar mass
283.15 g/mol
HS code
293399
Category
Heterocyclic building blocks

What is Gr 858?

Plain description, key identifiers and synonyms

Gr 858 is a chemical substance with the molecular formula C9H18INO and a molar mass of 283.15 g/mol. Its CAS registry number is 37642-31-2. The IUPAC name is 1,2-dimethyl-3,3a,4,5,6,6a-hexahydro-2H-cyclopenta[b]pyrrol-6-ol, hydroiodide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,2-dimethyl-3,3a,4,5,6,6a-hexahydro-2H-cyclopenta[b]pyrrol-6-ol, hydroiodide
CAS number
37642-31-2 CAS number cross-checked
Molecular formula
C9H18INO
InChIKey
BGVQGQAJHZETHA-UHFFFAOYSA-N
InChI
InChI=1S/C9H17NO.HI/c1-6-5-7-3-4-8(11)9(7)10(6)2;/h6-9,11H,3-5H2,1-2H3;1H
SMILES (canonical and isomeric)
CC1CC2CCC(C2N1C)O.I

Synonyms

  • Cyclopenta(b)pyrrol-6-ol, octahydro-1,2-dimethyl-, hydriodide
  • Octahydro-1,2-dimethylcyclopenta(b)pyrrol-6-ol hydroiodide
  • Octahydro-1,2-dimethylcyclopenta(b)pyrrol-6-ol hydriodide
  • GR 888
  • 2,3-Dimethyl-2-azabicyclo(3.3.0)-octanol-(8) hydrojodid
  • 1,2-dimethyl-3,3a,4,5,6,6a-hexahydro-2H-cyclopenta[b]pyrrol-6-ol, hydroiodide
  • 2,3-dimethyl-8-hydroxy-2-azabicyclo(3.3.0)octane hydroiodide
  • 1,2-Dimethyloctahydrocyclopenta[b]pyrrol-6-ol--hydrogen iodide (1/1)

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
283.15 g/molcalc.
Exact mass
283.0433 Dacalc.
LogP (octanol/water)
1.47calc.
Topological polar surface area
23.47 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
12calc.
Rings
2calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
4calc.
Components
2calc.
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, C1CC2CCNC2C1

C1CC2CCNC2C1

2 rings, 8 atoms, the Octahydrocyclopenta[B]pyrrole ring system.

376 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Gr 858 suppliers

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Gr 858 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

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 Gr 858 is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

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

The HS code shown for Gr 858 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Gr 858, based on the data on this page

What is Gr 858?

Gr 858 is a chemical substance with the molecular formula C9H18INO and a molar mass of 283.15 g/mol. Its CAS registry number is 37642-31-2. The IUPAC name is 1,2-dimethyl-3,3a,4,5,6,6a-hexahydro-2H-cyclopenta[b]pyrrol-6-ol, hydroiodide.

What is the CAS number of Gr 858?

The CAS registry number of Gr 858 is 37642-31-2.

What is the molecular formula and weight of Gr 858?

The molecular formula of Gr 858 is C9H18INO and its molar mass is 283.15 g/mol.

What is Gr 858 used for?

Known uses and roles of Gr 858 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Gr 858 hazardous?

No GHS hazard classification for Gr 858 is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Gr 858?

Gr 858 is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Gr 858?

Post a free request on CompoundList and suppliers of Gr 858 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Gr 858?

Suppliers quote Gr 858 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 Gr 858

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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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