N-Hydroxy succinimide
Alias: 1-Hydroxy-2,5-pyrrolidinedione; N-Hydroxysuccinimide; 1-Hydroxy-2,5-pyrrolidine-dione; HOSu; NHS; HONSU; N-HYDROXY-2,5-PYRROLIDINEDIONE; N-HYDROXYSUCCINIMDE; N-Hydroxysuccinimide POLYMER-BOUND; 1-hydroxy-5-pyrrolidinedione; 1-Hydroxysuccinimide; 5-Pyrrolidinedione,1-hydroxy-2; 1-hydroxypyrrolidine-2,5-dione
CAS #: 6066-82-6
Molecular formula: C4H5NO3
Structural formula:

Molecular weight: 115.09
Properties: white crystle, soluble in water, easily soluble in acetone and alcohol
To use: as important intermediate in manufacturing of synthetic peptide, antibiotics, amino acid, protein active ester, as protective agent of synthetic amino acid 
Packaging: 25kg fiber can lined with plastic bag
| Quality index | ||||
| Item | Index | Grade | Superior grade | Top grade | 
| appearance | white crystal | white/light yellow crystal | ||
| purity ≥% | 99 | 98 | ||
| melting point ℃ | 96-99 | 94-99 | ||
| loss on drying ≤% | 0.5 | 0.5 | ||
| heavy metal ≤ | 10 | 10 | ||
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