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Stabilizers and polymer additives

(R)-ShiP

Also known as (11aS)-(-)-10,11,12,13-Tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin-5-phenoxy, 12-phenoxy-4,5,6,7-tetrahydroiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocine, (11aR)-(+)-10,11,12,13-Tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin-5-phenoxy

CAS 656233-53-3Formula C23H19O3PMolar mass 374.38 g/molEC 636-251-3
GHS signal word: Warning. Pictograms: Harmful or irritant 1 supplier listed
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(R)-ShiP chemical structure, C23H19O3P, CAS 656233-53-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
656233-53-3
Formula
C23H19O3P
Molar mass
374.38 g/mol
EC number
636-251-3
HS code
293499
Category
Stabilizers and polymer additives

What is (R)-ShiP?

Plain description, key identifiers and synonyms

(R)-ShiP is a chemical substance with the molecular formula C23H19O3P and a molar mass of 374.38 g/mol. Its CAS registry number is 656233-53-3. The IUPAC name is 12-phenoxy-4,5,6,7-tetrahydroiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
12-phenoxy-4,5,6,7-tetrahydroiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocine
CAS number
656233-53-3Other or deprecated CAS: 1119754-16-3, 885701-71-3
EC number
636-251-3
Molecular formula
C23H19O3P
MDL number
MFCD08459341
InChIKey
JVANYVSBBJFGMW-UHFFFAOYSA-N
InChI
InChI=1S/C23H19O3P/c1-2-8-18(9-3-1)24-27-25-19-10-4-6-16-12-14-23(21(16)19)15-13-17-7-5-11-20(26-27)22(17)23/h1-11H,12-15H2
SMILES (canonical and isomeric)
C1CC23CCC4=C2C(=CC=C4)OP(OC5=CC=CC1=C35)OC6=CC=CC=C6

Synonyms

  • (11aS)-(-)-10,11,12,13-Tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin-5-phenoxy
  • 12-phenoxy-4,5,6,7-tetrahydroiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocine
  • (11aR)-(+)-10,11,12,13-Tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin-5-phenoxy
  • (11aR)-10,11,12,13-Tetrahydro-5-phenoxy-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin
  • Diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin, 10,11,12,13-tetrahydro-5-phenoxy-
  • 10,11,12,13-Tetrahydro-5-phenoxydiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin
  • (11AR)-10,11,12,13-tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin-5-phenoxy
  • 12-phenoxy-4,5,6,7-tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocine
  • Phenyl-[(R)-1,1'-spirobiindane-7,7'-diyl]-phosphite((R)-ShiP)
  • (11AR)-(+)-10111213-tetrahydrodiindeno[71-de:1'7'-fg][132]dioxaphosphocin-5-phenoxy
  • Diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin, 10,11,12,13-tetrahydro-
  • (11aS)-(-)-10,11,12,13-Tetrahydrodiindeno[7,1-de:1 inverted exclamation mark ,7 inverted exclamation mark -fg][1,3,2]dioxaphosphocin-5-phenoxy
  • Phenyl-[(R)-1,1-spirobiindane-7,7-diyl]-phosphite,(11aR)-(+)-10,11,12,13-Tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin-5-phenoxy
  • Phenyl-[(S)-1,1-spirobiindane-7,7-diyl]-phosphite, (11aS)-(-)-10,11,12,13-Tetrahydrodiindeno[7,1-de:1|I,7|I-fg][1,3,2]dioxaphosphocin-5-phenoxy

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
374.38 g/molcalc.
Exact mass
374.1072 Dacalc.
LogP (octanol/water)
5.94calc.
Topological polar surface area
27.69 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
2calc.
Heavy atoms
27calc.
Rings
6calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.22calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)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(OP2Oc3cccc4c3C3(CC4)CCc4cccc(c43)O2)cc1

c1ccc(OP2Oc3cccc4c3C3(CC4)CCc4cccc(c43)O2)cc1

6 rings, 27 atoms. This chemical is the scaffold itself.

No other chemical in our database has this scaffold.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
Precautionary statements (5)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • 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

(R)-ShiP suppliers

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

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  • Strem Chemicals, Inc.
    United States, Newburyport ManufacturerUnclaimed profile
    (R)-ShiPGrade, purity and minimum order on request
    Price on request
    View

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(R)-ShiP 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 (R)-ShiP 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 (R)-ShiP is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about (R)-ShiP, based on the data on this page

What is (R)-ShiP?

(R)-ShiP is a chemical substance with the molecular formula C23H19O3P and a molar mass of 374.38 g/mol. Its CAS registry number is 656233-53-3. The IUPAC name is 12-phenoxy-4,5,6,7-tetrahydroiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocine.

What is the CAS number of (R)-ShiP?

The CAS registry number of (R)-ShiP is 656233-53-3. Other or deprecated CAS numbers: 1119754-16-3, 885701-71-3.

What is the molecular formula and weight of (R)-ShiP?

The molecular formula of (R)-ShiP is C23H19O3P and its molar mass is 374.38 g/mol.

What is (R)-ShiP used for?

Known uses and roles of (R)-ShiP include polymer antioxidants in plastics and polymers.

Is (R)-ShiP hazardous?

(R)-ShiP carries the GHS signal word "Warning". Main hazards: harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of (R)-ShiP?

(R)-ShiP is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy (R)-ShiP?

CompoundList lists 1 supplier of (R)-ShiP in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of (R)-ShiP?

Suppliers quote (R)-ShiP 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 (R)-ShiP

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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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