CID 371
            
    Acetylenedicarboxylic acid
Structural Information
- Molecular Formula
 - C4H2O4
 - SMILES
 - C(#CC(=O)O)C(=O)O
 - InChI
 - InChI=1S/C4H2O4/c5-3(6)1-2-4(7)8/h(H,5,6)(H,7,8)
 - InChIKey
 - YTIVTFGABIZHHX-UHFFFAOYSA-N
 - Compound name
 - but-2-ynedioic acid
 - Related CIDs
 
2D Structure
Profile
Predicted Collision Cross Section
| Adduct | m/z | Predicted CCS (Ų) | 
|---|---|---|
| [M+H]+ | 115.00259 | 120.6 | 
| [M+Na]+ | 136.98453 | 130.3 | 
| [M-H]- | 112.98803 | 118.4 | 
| [M+NH4]+ | 132.02913 | 139.5 | 
| [M+K]+ | 152.95847 | 129.4 | 
| [M+H-H2O]+ | 96.992570 | 110.8 | 
| [M+HCOO]- | 158.99351 | 136.2 | 
| [M+CH3COO]- | 173.00916 | 171.0 | 
| [M+Na-2H]- | 134.96998 | 124.5 | 
| [M]+ | 113.99476 | 114.5 | 
| [M]- | 113.99586 | 114.5 |