Purity Limit: ≥ 95% (NMR) CAS No.: 39828-47-2 Molecular Formula: C4H4N2O3 Molecular Weight: 128.09 MDL No.: MFCD01547735 Appearance: Light yellow to brown powder Storage Temperature: Store at 0-8°C

MDL No.: MFCD26959711 Molecular Formula: C10H16BNO2·HCl Molecular Weight: 229.51 Purity Limit: 95% (NMR) Storage Temp: Store at 0-8°C Appearance: White solid

Synonyms: 3-Maleimidobenzoic acid N-succinimidyl esterN-(3-Maleimidobenzoyloxy)succinimide Purity Limit: ≥ 95% (NMR) CAS No.: 58626-38-3 Molecular Formula: C15H10N2O6 Molecular Weight: 314.26 MDL No.: MFCD00005514 Appearance: Off-white solid Melting Point: 175-177°C …

CAS # 21141-03-7 Synonyms: 3-Amino-pyridazine-4-carboxylic acid MDL No.: MFCD01318258 Molecular Formula: C5H5N3O2 Molecular Weight: 139.11 Purity Limit: 95% (NMR) Storage Temp: Store at 0-8°C Appearance: Brown powder

Synonyms: 4-(1H-Pyrazol-1-yl)phenylboronic acid Purity Limit: ≥ 95% (NMR) CAS No.: 891270-35-2 Molecular Formula: C9H9BN2O2 Molecular Weight: 187.99 MDL No.: MFCD06739055 Appearance: Brown to beige solid or powder Storage Temperature: Store at 0-8°C