7536-55-2
N2-[(tert-butoxy)carbonyl]-L-asparagine
CAS: 7536-55-2
Molecular Formula: C9H16N2O5
7536-55-2 - Names and Identifiers
| Name | N2-[(tert-butoxy)carbonyl]-L-asparagine |
| Synonyms | Boc-Asn-OH Boc-L-Asn-OH Boc-L-asparagine TBOC-L-ASPARAGINE N-T-BOC-L-ASPARAGINE NALPHA-BOC-L-ASPARAGINE N-ALPHA-T-BOC-L-ASPARAGINE N-T-BUTOXYCARBONYL-L-ASPARAGINE T-BUTYLOXYCARBONYL-L-ASPARAGINE N-TERT-BUTOXYCARBONYL-L-ASPARAGINE N~2~-(tert-butoxycarbonyl)-D-asparagine N2-[(tert-butoxy)carbonyl]-L-asparagine N~2~-(tert-butoxycarbonyl)-L-asparagine N2-[(1,1-Dimethylethoxy)carbonyl]-L-asparagine (2S)-4-amino-2-[(tert-butoxycarbonyl)amino]-4-oxobutanoate |
| CAS | 7536-55-2 |
| EINECS | 231-405-2 |
| InChI | InChI=1/C9H16N2O5/c1-9(2,3)16-8(15)11-5(7(13)14)4-6(10)12/h5H,4H2,1-3H3,(H2,10,12)(H,11,15)(H,13,14)/t5-/m1/s1 |
7536-55-2 - Physico-chemical Properties
| Molecular Formula | C9H16N2O5 |
| Molar Mass | 232.23 |
| Density | 1.2896 (rough estimate) |
| Melting Point | 175°C (dec.)(lit.) |
| Boling Point | 374.39°C (rough estimate) |
| Specific Rotation(α) | -7 ° (C=1, DMF) |
| Flash Point | 245°C |
| Solubility | almost transparency in N,N-DMF |
| Vapor Presure | 1.33E-10mmHg at 25°C |
| Appearance | White crystal |
| Color | White |
| BRN | 1977963 |
| pKa | 3.79±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | -7 ° (C=1, DMF) |
| MDL | MFCD00038152 |
| Physical and Chemical Properties | White crystalline substance; Soluble in DMF, insoluble in petroleum ether; Decomposition point is 175-180 ° C; Specific rotation [α]20D-9 °(0.5-2 mg/mL, DMF). |
| Use | Used for biochemical reagents, peptide synthesis. |
7536-55-2 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 2924 19 00 |
| Hazard Class | IRRITANT |
7536-55-2 - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| uses | is used for polypeptide synthesis, as amino acid protecting monomer. |
| production method | with tert-butoxycarbonyl chloride (or azide) and L-asparagine as raw materials, after the acylation reaction, it is acidified with citric acid and recrystallized to obtain the finished product. |
Last Update：2024-04-09 20:45:29
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View History
7536-55-2
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