CompoundList

MR 121, technical grade

Also known as 4-(11-Ethyl-3,4,8,9,10,11-hexahydrodipyrido[3,2-b:2',3'-i]phenoxazin-13-ium-1(2H)-yl)butanoate, MR 121, Technical Grade

CAS 185213-55-2Formula C22H25N3O3Molar mass 379.46 g/mol
MR 121, technical grade chemical structure, C22H25N3O3, CAS 185213-55-2
2D chemical structure

Key facts

What buyers check first

CAS number
185213-55-2
Formula
C22H25N3O3
Molar mass
379.46 g/mol
HS code
293499
Category
Rubber chemicals

What is MR 121, technical grade?

Plain description, key identifiers and synonyms

MR 121, technical grade is a chemical substance with the molecular formula C22H25N3O3 and a molar mass of 379.46 g/mol. Its CAS registry number is 185213-55-2. The IUPAC name is 4-(2-oxa-6,13,20-triazapentacyclo[12.8.0.03,12.05,10.016,21]docosa-1(14),3(12),4,10,15,21-hexaen-6-yl)butanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-(2-oxa-6,13,20-triazapentacyclo[12.8.0.03,12.05,10.016,21]docosa-1(14),3(12),4,10,15,21-hexaen-6-yl)butanoic acid
CAS number
185213-55-2
Molecular formula
C22H25N3O3
InChIKey
FSPIYFMSCFQXTO-UHFFFAOYSA-N
InChI
InChI=1S/C22H25N3O3/c26-22(27)6-3-9-25-8-2-5-15-11-18-21(13-19(15)25)28-20-12-16-14(4-1-7-23-16)10-17(20)24-18/h10-13,23-24H,1-9H2,(H,26,27)
SMILES (canonical and isomeric)
C1CC2=CC3=C(C=C2NC1)OC4=C(N3)C=C5CCCN(C5=C4)CCCC(=O)O

Synonyms

  • 4-(11-Ethyl-3,4,8,9,10,11-hexahydrodipyrido[3,2-b:2',3'-i]phenoxazin-13-ium-1(2H)-yl)butanoate, MR 121, Technical Grade

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
379.46 g/molcalc.
Exact mass
379.1896 Dacalc.
LogP (octanol/water)
4.51calc.
Topological polar surface area
73.83 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
4calc.
Heavy atoms
28calc.
Rings
5calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.41calc.
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, c1c2c(cc3c1Nc1cc4c(cc1O3)NCCC4)NCCC2

c1c2c(cc3c1Nc1cc4c(cc1O3)NCCC4)NCCC2

5 rings, 22 atoms.

No other chemical in our database has 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.

MR 121, technical grade suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

No supplier listings yet

Post one free request and suppliers who make or trade MR 121, technical grade can send you quotes. Your contact details stay private until you accept a quote.

MR 121, technical grade price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

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 MR 121, technical grade is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for MR 121, technical grade is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Guides for buyers

Practical guides that help when you source, ship or handle MR 121, technical grade

Get quotes for MR 121, technical grade

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of MR 121, technical grade with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/mr-121-technical-grade-185213-55-2" title="MR 121, technical grade structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Rubber chemicals or HS code 293499

Price on request
Free quotes, contact stays private
Get quotes