Modified Nucleotides
Im-GDP
Quick view. We supply Im-GDP as an imidazolide GDP intermediate for forming cap analog pyrophosphate linkages and nucleotide conjugates. CAS 1199264-75-9. Catalog target purity: ≥95%.

Product profile
Im-GDP is classified as nucleoside diphosphate or analog.
Im-GDP can support enzyme-substrate, in-vitro transcription, polymerase-screening or analytical-reference studies as appropriate to its phosphate state.
For Im-GDP, confirm the current specification, storage conditions and downstream-method compatibility before routine use.
Names and search terms
Useful catalog search terms
- CAS 1199264-75-9
- Nucleoside diphosphate or analog
- Modified Nucleotides
Release documentation
The current specification defines the analytical method and acceptance criteria; the released lot result is reported on the CoA.
- We release this product against the stated purity specification; the lot-specific CoA provides the result and analytical basis.
Additional HPLC, MS or NMR documentation can be agreed during technical review where available.
Additional application examples
- 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 Im-GDP 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-INTE-0023 and CAS 1199264-75-9, 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 Modified Nucleotides product family and its named chemistry.
