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Home/Compounds/CAS 721431-18-1
Formula C21H37N3O8SMW 491.6Research-use catalog entryCOA/SDS by request

17-Oxo-21-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno(3,4-d)imidazol-4-yl)-4,7,10,13-tetraoxa-16-azahenicosan-1-oic acid

CAS Number: 721431-18-1

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Loading RDKit molecule structure...
InChIKey: GYOXFFWLRKVJJX-ZWOKBUDYSA-NC21H37N3O8S | MW 491.6

Chemical Absolute Identifiers

CAS Number

721431-18-1

PubChem CID

17040189

Molecular Formula

C21H37N3O8S

Molecular Weight

491.6 g/mol

Exact Mass

491.230136

InChIKey

GYOXFFWLRKVJJX-ZWOKBUDYSA-N

IUPAC Name

3-[2-[2-[2-[2-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid

SMILES String

O=C(O)CCOCCOCCOCCOCCNC(=O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@@H]21

Physical Properties

No physical property values available.

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

17-Oxo-21-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno(3,4-d)imidazol-4-yl)-4,7,10,13-tetraoxa-16-azahenicosan-1-oic acid (CAS 721431-18-1) is listed in the Materials Science portfolio, with molecular formula C21H37N3O8S and molecular weight 491. 60 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for materials chemistry research and formulation screening workflows; structure-derived tags include nitrogen-containing heterocycle.

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Applications & Classification

Materials SciencePolymer ScienceResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

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For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

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Names & Synonyms / External Identifiers

Chemical Name

17-Oxo-21-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno(3,4-d)imidazol-4-yl)-4,7,10,13-tetraoxa-16-azahenicosan-1-oic acid

Names & Synonyms

17-Oxo-21-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]-4,7,10,13-tetraoxa-16-azahenicosan-1-oic acid17-oxo-21-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)-4,7,10,13-tetraoxa-16-azahenicosan-1-oic acidBiotin-PEG4-Acid15-[D-(+)-Biotinylamino]-4,7,10,13-tetraoxapentadecanoic acidBiotin-peg4-propionic acid
Show all synonyms
(+)-Biotin-PEG4-CH2CH2COOH17-oxo-21-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)-4,7,10,13-tetraoxa-16-azahenicosanoic acid(+)-Biotin-PEG?-propionic acid(+)-Biotin-PEG24-CH2CH2COOHBiotin-PEG4-CH2CH2COOH(+)-Biotin-PEG4-acidBiotin-PEG4-carboxylic acid15-Biotinamino-4,7,10,13-tetraoxa-pentadecanoic acidBiotin-PEG4-Acid(?Y97% )Biotin-PEG4-Acid(?Y98% )(+)-Biotin-PEG4-propionic acid3-Amino(peg4)propionic acid biotinamides10741B5562
External Identifiers
EC NUMBER: 884-833-2DSSTOX SUBSTANCE ID: DTXSID30589237WIKIDATA ID: Q72482002

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

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What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

Show non-linked catalog cues

Non-public related references

Biotin-PEG3-amineCAS 359860-27-8
Mal-amido-PEG8-acidCAS 1334177-86-4
N-(Fmoc-8-amino-3,6-dioxa-octyl)succinamic acidCAS 613245-91-3
1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,6,9,12-tetraoxapentadecan-15-oic acidCAS 557756-85-1
1-(9H-Fluoren-9-yl)-3-oxo-2,7,10,13,16,19-hexaoxa-4-azadocosan-22-oic acidCAS 882847-32-7

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 359860-27-8Biotin-PEG3-amineCAS 1334177-86-4Mal-amido-PEG8-acidCAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 721431-18-1

What are the key identifiers for 17-Oxo-21-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno(3,4-d)imidazol-4-yl)-4,7,10,13-tetraoxa-16-azahenicosan-1-oic acid (CAS 721431-18-1)?

17-Oxo-21-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno(3,4-d)imidazol-4-yl)-4,7,10,13-tetraoxa-16-azahenicosan-1-oic acid is identified by CAS 721431-18-1, with molecular formula C21H37N3O8S, molecular weight 491.6, InChIKey GYOXFFWLRKVJJX-ZWOKBUDYSA-N.

Can I request a COA for CAS 721431-18-1?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for 17-Oxo-21-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno(3,4-d)imidazol-4-yl)-4,7,10,13-tetraoxa-16-azahenicosan-1-oic acid?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

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