Methylcoumarin is one of a series of isomers in which a methyl group substitutes for a hydrogen atom in coumarin. They all have formula C10H8O2 and molecular weight 160.172 g/mol.
| Name | Derivatives | Melting pt (°C) | Boiling pt (°C) | CAS number | PubChem | EINECS | SMILES | Chemical structure | |
|---|---|---|---|---|---|---|---|---|---|
| 3-Methylcoumarin | 2445-82-1 | CID 17130 from PubChem | 219-498-8 | CC1=CC2=CC=CC=C2OC1=O | [1] | ||||
| 4-Methylcoumarin | 7-Amino-4-methylcoumarinHymecromone | 607-71-6 | CID 11833 from PubChem | 210-141-1 | CC1=CC(=O)OC2=CC=CC=C12 | [2] | |||
| 5-Methylcoumarin | Siderin | 42286-84-0 | CID 39172 from PubChem | CC1=C2C=CC(=O)OC2=CC=C1 | [3] | ||||
| 6-Methylcoumarin | 72-75 | 303 | 92-48-8 | CID 7092 from PubChem | 202-158-8 | CC1=CC2=C(C=C1)OC(=O)C=C2 | |||
| 7-Methylcoumarin | 128-130 | 2445-83-2 | CID 17131 from PubChem | 219-499-3 | CC1=CC2=C(C=C1)C=CC(=O)O2 | [4] | |||
| 8-Methylcoumarin | 106–107 | 1807-36-9 | CID 15734 from PubChem | CC1=C2C(=CC=C1)C=CC(=O)O2 |