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CAS 26571-11-9/ 68412-54-4/ 9016-45-9 (generic)/ 26027-38-3 (generic)/ 37205-87-1 (generic)/ 27177-05-5

CAS 26571-11-9/ 68412-54-4/ 9016-45-9 (generic)/ 26027-38-3 (generic)/ 37205-87-1 (generic)/ 27177-05-5 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 26571-11-9

CAS 26571-11-9PubChem CID 72385

Nonaethylene Glycol Nonylphenyl Ether

Tergitol NP-9 is a tergitol polymer consisting of nonylbenzene with a nine-membered poly(ethylene glycol) moiety attached at position 4. It has a role as a nonionic surfactant and a contraceptive drug. — ChEBI

IUPAC name: 2-[2-[2-[2-[2-[2-[2-[2-[2-(4-nonylphenoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol

Molecular formula: C33H60O10
Molecular weight: 616.8 g/mol
Exact mass: 616.41864811 Da
XLogP3: 4.6
Topological polar surface area: 103.0 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 10
Covalent units: 1
Defined stereocentres: 0

Also known as

Nonoxynol-9ToDayDelfenTergitol NP9Nonylphenol octa(oxyethylene) ethanolNONOXINOL 9Nonoxinolum 9Norfox np-9

16 more reported names

Nonoxynol-9.5NSC-758941CHEBI:537753,6,9,12,15,18,21,24-Octaoxahexacosan-1-ol, 26-(nonylphenoxy)-1-(4-nonylphenyl)-1,4,7,10,13,16,19,22,25-nonaoxaheptacosan-27-olVcf ContraceptiveConceptrol OptionsGynol II Extra StrengthRefChem:927882Today Vaginal Contraceptive48Q180SH9TVcf Contraceptive Pre-filled Applicators247-816-5Nonoxynol 9Tergitol NP-9PEG-9 Nonyl phenyl ether

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External database identifiers

ChEBI:CHEBI:53775
ChEMBL:CHEMBL1410
EPA DTXSID:DTXSID00858720
PubMed:22696373
PubMed:22592833
PubMed:22536154
PubMed:22494324
PubMed:22486240
PubMed:22467453
PubMed:22429795
PubMed:22375797
PubMed:22359093
PubMed:22347807
PubMed:22346752
PubMed:22310826

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 27177-05-5

CAS 27177-05-5PubChem CID 72384

Octaethylene glycol mono(p-nonylphenyl) ether

IUPAC name: 2-[2-[2-[2-[2-[2-[2-[2-(4-nonylphenoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol

Molecular formula: C31H56O9
Molecular weight: 572.8 g/mol
Exact mass: 572.39243336 Da
XLogP3: 4.8
Topological polar surface area: 94.1 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 9
Covalent units: 1
Defined stereocentres: 0

Also known as

RefChem:1093770Nonylbenzene-PEG8-OHNonoxynol-823-(4-Nonylphenoxy)-3,6,9,12,15,18,21-heptaoxatricosan-1-olRokafenol N-823-(Nonylphenoxy)-3,6,9,12,15,18,21-heptaoxatricosan-1-olBRN 24925813,6,9,12,15,18,21-Heptaoxatricosan-1-ol, 23-(nonylphenoxy)-

16 more reported names

Nonoxynol 8Alfenolu 8Alphenol 8Nonylphenol octaethoxylate2-(2-(2-(2-(2-(2-(2-(2-(4-nonylphenoxy)ethoxy)ethoxy)ethoxy)ethoxy)ethoxy)ethoxy)ethoxy)ethanolEINECS 248-293-6Nonylphenol hepta(oxyethylene) ethanolNPEO8Nonylphenol-8-ethoxylatePEG-8 Nonyl phenyl etherXXPRRHYTDCWGRP-UHFFFAOYSA-N3,6,9,12,15,18,21-Heptaoxatricosan-1-ol, 23-(4-nonylphenoxy)-HY-W096099octaethylene glycol monononylphenyl etherDA-56246CS-0147756

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External database identifiers

EPA DTXSID:DTXSID40872586
PubMed:8466700

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 37205-87-1

CAS 37205-87-1PubChem CID 92035818

Nonoxynol-1

IUPAC name: 1-ethoxy-4-(7-methyloctyl)benzene

Molecular formula: C17H28O
Molecular weight: 248.4 g/mol
Exact mass: 248.214015512 Da
XLogP3: 6.6
Topological polar surface area: 9.2 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

Marlophen NP 6Marlophen NP 8Marlophen NP 10Marlophen NP 12Neonol AF 9Neonol AF 10Neonol AF9 10ANeonol AF9 12A

16 more reported names

Neonol AF 9-5Neonol AF 9-9Neonol AF 9-10Neonol AF 9-22Neonol AF 9-25Neonol AF 9-60MAF 12Nonoxynol5Nonoxynol6Nonoxynol10Nonoxynol11Nonoxynol12Nonoxynol20Nonoxynol23Nonoxynol35Nonoxynol40

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Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 9016-45-9

CAS 9016-45-9PubChem CID 24773

4-Nonylphenol diethoxylate

IUPAC name: 2-[2-(4-nonylphenoxy)ethoxy]ethanol

Molecular formula: C19H32O3
Molecular weight: 308.5 g/mol
Exact mass: 308.23514488 Da
XLogP3: 5.6
Topological polar surface area: 38.7 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

Nonoxynol-2U4A966MO25RefChem:1071320243-816-44-Nonyl Phenol Diethoxylate2-(2-(4-Nonylphenoxy)ethoxy)ethanol2-[2-(4-nonylphenoxy)ethoxy]ethan-1-olEthanol, 2-(2-(4-nonylphenoxy)ethoxy)-

16 more reported names

Polyoxyethylene (12) nonylphenyl etherEthanol, 2-[2-(4-nonylphenoxy)ethoxy]-DSSTox_CID_16588DSSTox_RID_79288DSSTox_GSID_36588Adekatol NPNonylphenol Ethoxylate(Tergitol NP-40)EON 2CAS-26027-38-3Igepal CO-210NonoxinolumUNII-U4A966MO25NPEOxEINECS 243-816-4NP-40 SubstituteNPEO2

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External database identifiers

ChEMBL:CHEMBL194034
EPA DTXSID:DTXSID9058600

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 26571-11-9/ 68412-54-4/ 9016-45-9 (generic)/ 26027-38-3 (generic)/ 37205-87-1 (generic)/ 27177-05-5

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How CAS 26571-11-9/ 68412-54-4/ 9016-45-9 (generic)/ 26027-38-3 (generic)/ 37205-87-1 (generic)/ 27177-05-5 is used on this site

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