TOTU
Synonym(s):N-[[[(1-Cyano-2-ethoxy-2-oxoethylidene)amino]oxy](dimethylamino)methylene]-N-methyl-methanaminium tetrafluoroborate;O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,NÆ,NÆ-tetramethyluronium tetrafluoroborate;TOTU
- CAS NO.：136849-72-4
- Empirical Formula: C10H17BF4N4O3
- Molecular Weight: 328.07
- MDL number: MFCD00192127
- EINECS: 629-020-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-14 15:27:00
What is TOTU?
Chemical properties
white to yellowish crystalline powder
The Uses of TOTU
Reactant for:
Watson-Crick pairing of oligonucleotides
Esterification of nucleosides to solid phase supports
Reagent for:
Synthesis of selective integrin avβ3 antagonists
Design and synthesis of double stranded DNA libraries
Preparation of conformationally contrained β-amino acid derivatives
Synthesis and application of methyleneoxy pseudopeptide building blocks
Properties of TOTU
| Melting point: | 145 °C (dec.)(lit.) |
| storage temp. | 2-8°C |
| solubility | Soluble in water or 1% acetic acid |
| form | Crystalline Powder |
| color | White to yellow |
| Sensitive | Moisture Sensitive |
| CAS DataBase Reference | 136849-72-4(CAS DataBase Reference) |
Safety information for TOTU
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for TOTU
| InChIKey | PZOBERLGEQHZDV-BPWZRWDXSA-M |
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