Capping Reagents
Protect oligonucleotide 5' terminals during synthesis and prevent truncation sequences.
| Item # | Product Name | CAS Number | Purity | Grade | Pack Size | Application | Action |
|---|---|---|---|---|---|---|---|
| CAP-001 | Cap Mix A (THF / Pyridine / Acetic Anhydride) |
108-24-7 / 110-86-1
|
≥ 99.8% | DNA/RNA Synthesis Grade | 500 mL, 1 L, 4 L | 5′-OH acetylation in DNA/RNA synthesis | |
| CAP-002 | Cap Mix B (10% 1-Methylimidazole in THF) |
616-47-7 / 109-99-9
|
≥ 99.5% | DNA/RNA Synthesis Grade | 500 mL, 1 L, 4 L | Catalyst for capping reaction | |
| CAP-003 | Phenoxyacetic Anhydride (Pac Cap A) |
14313-89-4
|
≥ 99.0% | Ultra-Pure Oligo Grade | 100 g, 500 g, 1 kg | Mild capping for sensitive modified bases |