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

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) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H10O3. Molecular weight: 178.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

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

Why CATO?