Crotonic Anhydride - ≥95%, Mixture of cis and trans isomers , CAS No.623-68-7

CAS: 623-68-7 Cat. No.: C135228 Peso molecular: 154.17 Número EC: 210-807-1
Disponible para pedir
GRADE & PURITY ≥95% Mixture of cis and trans isomers
Synonyms
(E)-but-2-enoic acid [(E)-but-2-enoyl] ester | Anhydrid kyseliny krotonove [Czech] | Tungsten Standard: W @ 10000 microg/mL in H2O | Crotonic acid anhydride | Anhydrid kyseliny krotonove | CROTONIC ANHYDRIDE | 2-Butenoic acid, 1,1'-anhydride | AKOS0159127
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Estado
Price
Qty
5g
C135228-5g
3
12,90US$
25g
C135228-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
39,90US$
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Why this grade

≥95%, Mixture of cis and trans isomers for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Descripción general

Crotonic anhydride is also known as 2-butenoic anhydride is commonly used as a precursor in the synthesis of polymers. Its reactive anhydride group makes it an effective acylating agent in esterification reactions, facilitating the formation of esters by reacting with alcohols.

Specifications

Sinónimos
(E)-but-2-enoic acid [(E)-but-2-enoyl] ester | Anhydrid kyseliny krotonove [Czech] | Tungsten Standard: W @ 10000 microg/mL in H2O | Crotonic acid anhydride | Anhydrid kyseliny krotonove | CROTONIC ANHYDRIDE | 2-Butenoic acid, 1, 1'-anhydride | AKOS0159127
Especificaciones y pureza
≥95%, Mixture of cis and trans isomers
Condiciones de almacenamiento de almacenamiento
Store at 2-8°C, Argon charged
Enviado en
Wet ice
Este producto requiere envío en cadena de frío. Los servicios terrestres y otros servicios económicos no están disponibles.
Pureza
≥95%
Nombres e identificadores
Pubchem Sid504763993
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504763993
Sonrisas canónicasCC=CC(=O)OC(=O)C=CC
IUPAC Name[(E)-but-2-enoyl] (E)-but-2-enoate
InChIKeyVJDDQSBNUHLBTD-GGWOSOGESA-N
INCHI1S/C8H10O3/c1-3-5-7(9)11-8(10)6-4-2/h3-6H,1-2H3/b5-3+,6-4+
Isómeros SMILES C/C=C/C(=O)OC(=O)/C=C/C
CAS alternativo 78957-07-0
Peso molecular 154.17
Reaxy-Rn 386026
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=386026&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClaseCarboxylic acids and derivatives
SubclassDicarboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentDicarboxylic acids and derivatives
Alternative Parents Carboxylic acid anhydrides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Dicarboxylic acid or derivatives - Carboxylic acid anhydride - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescripciónThis compound belongs to the class of organic compounds known as dicarboxylic acids and derivatives. These are organic compounds containing exactly two carboxylic acid groups.
External Descriptors Not available
Estructura 3D
Modelo de Estructura Química Interactiva





Certificados (CoA, COO, BSE/TSE y tabla de análisis)
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.

9 results found

Lot NumberCertificate TypeFechaArticulo
K2207010Certificate of AnalysisJun 09, 2026 C135228
E2413252Certificate of AnalysisFeb 05, 2026 C135228
K2519266Certificate of AnalysisNov 13, 2025 C135228
K2519267Certificate of AnalysisNov 13, 2025 C135228
E2413229Certificate of AnalysisApr 03, 2024 C135228
E2413238Certificate of AnalysisApr 03, 2024 C135228
I2311367Certificate of AnalysisAug 31, 2023 C135228
I2311368Certificate of AnalysisAug 31, 2023 C135228
K2205129Certificate of AnalysisOct 13, 2022 C135228
Propiedades químicas y físicas
SolubilidadSoluble in ether
SensibilidadMoisture sensitive.
Índice de refracción1.48
Punto de ebullición (°C)131 °C/20 mmHg
Peso molecular154.160 g/mol
XLogP31.500
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count4
Exact Mass154.063 Da
Monoisotopic Mass154.063 Da
Topological Polar Surface Area43.400 Ų
Heavy Atom Count11
Formal Charge0
Complexity179.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count2
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds2
Covalently-Bonded Unit Count1
Calculadoras de soluciones
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