25134-21-8 CCRIS 9477 5-17-11-00199 (Beilstein Handbook Reference) TK 10 524 XMNA 5-Norbornene-2,3-dicarboxylic anhydride, methyl- Methyl-5-norbornene-2,3-dicarboxylic anhydride Methyl-1,2,3,6-tetrahydro-3,6-endomethylenephthalic anhydride Methyl-tetrahydro-3,6-endomethylenephthalic anhydride Nadic methyl anhydride NMA Methylnorbornene-2,3-dicarboxylic anhydride Methylbicyclo(2.2.1)heptene-2,3-dicarboxylic anhydride isomers Methylendic anhydride endo-Methylenemethyltetrahydrophthalic anhydride 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-, (3aR,4S,7R,7aS)-rel- 1,2,3,6-Tetrahydromethyl-3,6-methanophthalic anhydride BRN 0162395 EINECS 246-644-8 Epicure NMA Hardener HY906 HSDB 6093 Kayahard MCD MEA 610 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl- Methendic anhydride Methylbicyclo(2.2.1)heptene-2,3-dicarboxylic anhydride Methyl nadic anhydride 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-, (3aalpha,4alpha,7alpha,7aalpha)- EC 246-644-8 CAS 25134-21-8

Purity 97%+In StockPharmaceutical Standards
CAS No.25134-21-8
Molecular FormulaC10H10O3
Molecular Weight178.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

25134-21-8
CCRIS 9477
5-17-11-00199 (Beilstein Handbook Reference)
TK 10 524
XMNA
5-Norbornene-2,3-dicarboxylic anhydride, methyl-
Methyl-5-norbornene-2,3-dicarboxylic anhydride
Methyl-1,2,3,6-tetrahydro-3,6-endomethylenephthalic anhydride
Methyl-tetrahydro-3,6-endomethylenephthalic anhydride
Nadic methyl anhydride
NMA
Methylnorbornene-2,3-dicarboxylic anhydride
Methylbicyclo(2.2.1)heptene-2,3-dicarboxylic anhydride isomers
Methylendic anhydride
endo-Methylenemethyltetrahydrophthalic anhydride
4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-, (3aR,4S,7R,7aS)-rel-
1,2,3,6-Tetrahydromethyl-3,6-methanophthalic anhydride
BRN 0162395
EINECS 246-644-8
Epicure NMA
Hardener HY906
HSDB 6093
Kayahard MCD
MEA 610
4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-
Methendic anhydride
Methylbicyclo(2.2.1)heptene-2,3-dicarboxylic anhydride
Methyl nadic anhydride
4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-, (3aalpha,4alpha,7alpha,7aalpha)-
EC 246-644-8 CAS 25134-21-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 178.18 g/mol gives 25134-21-8 CCRIS 9477 5-17-11-00199 (Beilstein Handbook Reference) TK 10 524 XMNA 5-Norbornene-2,3-dicarboxylic anhydride, methyl- Methyl-5-norbornene-2,3-dicarboxylic anhydride Methyl-1,2,3,6-tetrahydro-3,6-endomethylenephthalic anhydride Methyl-tetrahydro-3,6-endomethylenephthalic anhydride Nadic methyl anhydride NMA Methylnorbornene-2,3-dicarboxylic anhydride Methylbicyclo(2.2.1)heptene-2,3-dicarboxylic anhydride isomers Methylendic anhydride endo-Methylenemethyltetrahydrophthalic anhydride 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-, (3aR,4S,7R,7aS)-rel- 1,2,3,6-Tetrahydromethyl-3,6-methanophthalic anhydride BRN 0162395 EINECS 246-644-8 Epicure NMA Hardener HY906 HSDB 6093 Kayahard MCD MEA 610 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl- Methendic anhydride Methylbicyclo(2.2.1)heptene-2,3-dicarboxylic anhydride Methyl nadic anhydride 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-, (3aalpha,4alpha,7alpha,7aalpha)- EC 246-644-8 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 25134-21-8 CCRIS 9477 5-17-11-00199 (Beilstein Handbook Reference) TK 10 524 XMNA 5-Norbornene-2,3-dicarboxylic anhydride, methyl- Methyl-5-norbornene-2,3-dicarboxylic anhydride Methyl-1,2,3,6-tetrahydro-3,6-endomethylenephthalic anhydride Methyl-tetrahydro-3,6-endomethylenephthalic anhydride Nadic methyl anhydride NMA Methylnorbornene-2,3-dicarboxylic anhydride Methylbicyclo(2.2.1)heptene-2,3-dicarboxylic anhydride isomers Methylendic anhydride endo-Methylenemethyltetrahydrophthalic anhydride 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-, (3aR,4S,7R,7aS)-rel- 1,2,3,6-Tetrahydromethyl-3,6-methanophthalic anhydride BRN 0162395 EINECS 246-644-8 Epicure NMA Hardener HY906 HSDB 6093 Kayahard MCD MEA 610 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl- Methendic anhydride Methylbicyclo(2.2.1)heptene-2,3-dicarboxylic anhydride Methyl nadic anhydride 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-, (3aalpha,4alpha,7alpha,7aalpha)- EC 246-644-8 (CAS 25134-21-8), a certified reference material (molecular formula C10H10O3, MW 178.18 g/mol) for analytical method development and quality control.

The molecular framework of 25134-21-8 CCRIS 9477 5-17-11-00199 (Beilstein Handbook Reference) TK 10 524 XMNA 5-Norbornene-2,3-dicarboxylic anhydride, methyl- Methyl-5-norbornene-2,3-dicarboxylic anhydride Methyl-1,2,3,6-tetrahydro-3,6-endomethylenephthalic anhydride Methyl-tetrahydro-3,6-endomethylenephthalic anhydride Nadic methyl anhydride NMA Methylnorbornene-2,3-dicarboxylic anhydride Methylbicyclo(2.2.1)heptene-2,3-dicarboxylic anhydride isomers Methylendic anhydride endo-Methylenemethyltetrahydrophthalic anhydride 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-, (3aR,4S,7R,7aS)-rel- 1,2,3,6-Tetrahydromethyl-3,6-methanophthalic anhydride BRN 0162395 EINECS 246-644-8 Epicure NMA Hardener HY906 HSDB 6093 Kayahard MCD MEA 610 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl- Methendic anhydride Methylbicyclo(2.2.1)heptene-2,3-dicarboxylic anhydride Methyl nadic anhydride 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-, (3aalpha,4alpha,7alpha,7aalpha)- EC 246-644-8 (C10H10O3) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 25134-21-8 CCRIS 9477 5-17-11-00199 (Beilstein Handbook Reference) TK 10 524 XMNA 5-Norbornene-2,3-dicarboxylic anhydride, methyl- Methyl-5-norbornene-2,3-dicarboxylic anhydride Methyl-1,2,3,6-tetrahydro-3,6-endomethylenephthalic anhydride Methyl-tetrahydro-3,6-endomethylenephthalic anhydride Nadic methyl anhydride NMA Methylnorbornene-2,3-dicarboxylic anhydride Methylbicyclo(2.2.1)heptene-2,3-dicarboxylic anhydride isomers Methylendic anhydride endo-Methylenemethyltetrahydrophthalic anhydride 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-, (3aR,4S,7R,7aS)-rel- 1,2,3,6-Tetrahydromethyl-3,6-methanophthalic anhydride BRN 0162395 EINECS 246-644-8 Epicure NMA Hardener HY906 HSDB 6093 Kayahard MCD MEA 610 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl- Methendic anhydride Methylbicyclo(2.2.1)heptene-2,3-dicarboxylic anhydride Methyl nadic anhydride 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydromethyl-, (3aalpha,4alpha,7alpha,7aalpha)- EC 246-644-8 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC10H10O3
Molecular Weight178.18 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1964

Recommended Standards

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