DMT-dI Phosphoramidite
DMT-dI Phosphoramidite (CAS: 141684-35-7), with the molecular formula C40H47N6O7P and a molecular weight of 754.81 g/mol, is a crucial reagent for DNA synthesis. This phosphoramidite derivative is specifically designed for use in automated DNA synthesizers, enabling the incorporation of non-standard bases into oligonucleotide chains. Its high purity ensures reliable performance in demanding chemical synthesis applications.
- IUPAC
- DMT-dI amidite

Automated DNA Synthesis
DMT-dI Phosphoramidite is a key building block for automated DNA synthesizers, including ABI models, facilitating the precise construction of synthetic DNA strands.
Oligonucleotide Synthesis
This reagent is utilised in the chemical synthesis of oligonucleotides, particularly for the introduction of modified or non-standard bases to create novel nucleic acid structures.
Specialised Reagent Development
As a special phosphoramidite, it supports the development of custom oligonucleotides with tailored functionalities for research and diagnostic applications.
| Molecular weight | 754.81 |
|---|---|
| Empirical formula | C40H47N6O7P |
| Assay | ≥98% (31P-NMR)≥98.0% (reversed phase HPLC) |
| Storage temperature | −20°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Type | for DNA synthesis |
|---|---|
| Packaging | pkg of 1 × 0.25 g M111131-01 |
| Compatibility | configured for ABI |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is DMT-dI Phosphoramidite used for?
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DMT-dI Phosphoramidite is primarily used as a reagent in automated DNA synthesis for the incorporation of non-standard bases into synthetic oligonucleotides.
What is the CAS number and formula for DMT-dI Phosphoramidite?
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The CAS number for DMT-dI Phosphoramidite is 141684-35-7, and its empirical formula is C40H47N6O7P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies DMT-dI Phosphoramidite with an assay of ≥98% (31P-NMR) and ≥98.0% (reversed phase HPLC). TSS does not represent this product as USP, BP, or EP grade.
How should DMT-dI Phosphoramidite be handled and stored?
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Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or P1 (EN143) respirator filter. It should be stored at -20°C.
How is DMT-dI Phosphoramidite packaged and shipped?
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DMT-dI Phosphoramidite is typically supplied in packaging suitable for research reagents, such as a 0.25 g package. It is available for global export.
How can I request a sample or quote for DMT-dI Phosphoramidite?
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To request a sample or obtain a quotation, please contact our sales department via the website or by telephone.
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