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(S)-6,6'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bibenzo[b][1,4]dioxine - 97%, high purity , CAS No.503538-68-9

COA

Grade & Purity:

≥97%

Cas Number: 503538-68-9
Molecular Weight: 638.63
MDL number: MFCD05861608
PubChem CID: 11193918
PubChem SID: 504766144

In stock

Item Number

S281903

Grouped product items
SKU	Size	Availability	Price
S281903-50mg	50mg	3	$172.90
S281903-250mg	250mg	3	$536.90
S281903-1g	1g	3	$1,497.90

Ligands & Chiral Ligands

Basic Description

Synonyms	(S)-SYNPHOS
Specifications & Purity	≥97%
Legal Information	Sold under license from SYNKEM for research purposes only - not for drug use. Patent applicatio n WO 03/029259. US Patent No. 6.878.665 B2. For directions of use and safety see MSDS sheet available atwww.strem.com
Storage Temp	Argon charged
Shipped In	Normal

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Benzenoids
  - Class Benzene and substituted derivatives
    - Subclass Phenylphosphines and derivatives

Kingdom	Organic compounds
Superclass	Benzenoids
Class	Benzene and substituted derivatives
Subclass	Phenylphosphines and derivatives
Intermediate Tree Nodes	Not available
Direct Parent	Phenylphosphines and derivatives
Alternative Parents	Benzo-1,4-dioxanes Alkyl aryl ethers Para dioxins Organic phosphines and derivatives Oxacyclic compounds Organopnictogen compounds Hydrocarbon derivatives
Molecular Framework	Aromatic heteropolycyclic compounds
Substituents	Triphenylphosphine - Benzo-1,4-dioxane - Benzodioxane - Alkyl aryl ether - Phenylphosphine - Para-dioxin - Phosphine - Ether - Oxacycle - Organoheterocyclic compound - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Organophosphorus compound - Organopnictogen compound - Aromatic heteropolycyclic compound
Description	This compound belongs to the class of organic compounds known as phenylphosphines and derivatives. These are compounds containing a phenylphosphine, which consists of phosphine substituent bound to a phenyl group.
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

Pubchem Sid	504766144
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/504766144
IUPAC Name	[5-(6-diphenylphosphanyl-2,3-dihydro-1,4-benzodioxin-5-yl)-2,3-dihydro-1,4-benzodioxin-6-yl]-diphenylphosphane
INCHI	InChI=1S/C40H32O4P2/c1-5-13-29(14-6-1)45(30-15-7-2-8-16-30)35-23-21-33-39(43-27-25-41-33)37(35)38-36(24-22-34-40(38)44-28-26-42-34)46(31-17-9-3-10-18-31)32-19-11-4-12-20-32/h1-24H,25-28H2
InChIKey	GDMCOFXEPNHXJT-UHFFFAOYSA-N
Smiles	C1COC2=C(O1)C=CC(=C2C3=C(C=CC4=C3OCCO4)P(C5=CC=CC=C5)C6=CC=CC=C6)P(C7=CC=CC=C7)C8=CC=CC=C8
Isomeric SMILES	C1COC2=C(O1)C=CC(=C2C3=C(C=CC4=C3OCCO4)P(C5=CC=CC=C5)C6=CC=CC=C6)P(C7=CC=CC=C7)C8=CC=CC=C8
PubChem CID	11193918
Molecular Weight	638.63

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

3 results found

Lot Number	Certificate Type	Date	Item
H2218740	Certificate of Analysis	Jun 09, 2025	S281903
H2218741	Certificate of Analysis	Jun 09, 2025	S281903
H2218743	Certificate of Analysis	Jun 09, 2025	S281903

Chemical and Physical Properties

Sensitivity	Air and moisture sensitive
Molecular Weight	638.600 g/mol
XLogP3	8.400
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	7
Exact Mass	638.178 Da
Monoisotopic Mass	638.178 Da
Topological Polar Surface Area	36.900 Å²
Heavy Atom Count	46
Formal Charge	0
Complexity	816.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

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