dATP | dCTP | dGTP | dTTP | |
Nomenclature | 2’-Deoxyadenosine 5’-triphosphate |
2’-Deoxycytidine 5’-triphosphate |
2’-Deoxyguanosine 5’-triphosphate |
2’-Deoxythymidine 5’-triphosphate |
Chemical structure |
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CAS No. | 54680-12-5 | 109909-44-6 | 93919-41-6 | 27821-54-1 |
Cation | Tri sodium salt | Tri sodium salt | Tri sodium salt | Tri sodium salt |
Formula | C10H13N5Na3O12P3 | C9H13N3Na3O13P3 | C10H13N5Na3O13P3 | C10H14N2Na3O14P3 |
Formula weight (g x mol-1) |
557.1 | 533.1 | 573.1 | 548.1 |
Molar Extinction Coefficient [1] |
ε = 15.1 l x mmol-1 x cm-1; 259 nm |
ε = 8.9 l x mmol-1 x cm-1; 271 nm |
ε = 14.2 l x mmol-1 x cm-1; 252 nm |
ε = 9.5 l x mmol-1 x cm-1; 267 nm |
Appearance | Clear colorless solution | Clear colorless solution | Clear colorless solution | Clear colorless solution |
Test | Commercial A | Commercial B | Commercial C | Pharmicell | |
Nomenclature | Concentration | 100~110mM | 100±3mM | 100~110mM | 100~110mM |
pH | 8.5±0.2(22℃) | 7.5 | 7.5~8.1 | 8.0~8.5 | |
Stability | 24 month | 24 month | 42 month | 24 month | |
Storage (℃) | -20 | -20 | -15~-25 | -20 | |
HPLC | dNTP | ≥99.0% | ≥99.0% | ≥99.0% | ≥99.0% |
dNDP | ≤0.5% | - | ≤0.9% | ≤0.5% | |
Other impurities | ≤0.1% | - | - | ≤0.3% | |
Functional | DNases, Rnases | Not detectable | Not detectable | Not detectable | Not detectable |
Nicking activity | Not detectable | Not detectable | Not detectable | Not detectable |