Nucleotides
CTP Disodium Salt Dihydrate
Quick view. We supply CTP Disodium Salt Dihydrate as a cytidine nucleotide reagent for RNA synthesis, enzymology and analytical reference workflows. CAS 81012-87-5. Catalog target purity: ≥95%.

Product profile
CTP Disodium Salt Dihydrate is classified as nucleotide or nucleotide analog (Formula C9H18N3Na2O16P3; molecular weight 563.15).
CTP Disodium Salt Dihydrate — A disodium dihydrate form of CTP (CAS# 65-47-4) used in the radiolabeling of DNA restriction endonuclease fragments.
For CTP Disodium Salt Dihydrate, reported solubility: H₂O: 50 mg/mL, clear, colorless. Storage: −20°C.
Names and search terms
Confirmed or normalized name variants
- 5-CTP-NA2
- 5-CTP-NA2 DIHYDRATE
- CTP
- CYTIDINE 5'-TRIPHOSPHATE DISODIUM SALT DIHYDRATE
- CYTIDINE-5'-TRIPHOSPHATE DISODIUM SALT HYDRATE
- CYTIDINE 5'-TRIPHOSPHATE DISODIUM SALT N-HYDRATE
- CYTIDINE-5'-TRIPHOSPHATE TETRASOIDUM SALT
- CYTIDINE 5'-TRIPHOSPHORIC ACID DISODIUM SALT DIHYDRATE
Useful catalog search terms
- CAS 81012-87-5
- Nucleotide or nucleotide analog
- triphosphate group
- Nucleotides
Physicochemical data
| Key chemistry motifs | triphosphate group |
|---|---|
| Melting point | 215-218 °C |
| Form | Crystalline Powder |
| Color | colorless |
| SMILES | O[C@@H]1[C@@H]([C@@H](COP(O)(=O)OP(O)(=O)OP(O)(O)=O)O[C@H]1N1C=CC(N)=NC1=O)O.[NaH].O |&1:1,2,3,19,r| |
| InChIKey | ZLCQKPRKZPUJJM-IROIDLSJNA-N |
Release documentation
The current specification defines the analytical method and acceptance criteria; the released lot result is reported on the CoA.
Additional HPLC, MS or NMR documentation can be agreed during technical review where available.
Additional application examples
- CTP Disodium Salt Dihydrate can support enzyme-substrate, in-vitro transcription, polymerase-screening or analytical-reference studies as appropriate to its phosphate state.
- Typical qualification includes identity, salt/counterion, assay basis, water content and enzyme compatibility.
- Related uses include LC-MS/HPLC method development and comparison with native or modified nucleotide controls.
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Frequently asked questions
Can the package size for CTP Disodium Salt Dihydrate be customized?
Yes. Share the initial quantity, expected future scale, delivery timeline and packaging preference for review.
What information should be included in a quote request?
Quote catalog number BX-NUCL-0011 and CAS 81012-87-5, the intended research workflow, required quantity and any additional HPLC, MS or NMR documentation needed.
Product-family literature
The publications below provide peer-reviewed context for the Nucleotides product family and its named chemistry.
