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Home> Encyclopedia >Enzymes>Pharmaceutical Intermediates>Organic Intermediate
N-Carbobenzyloxy-L-aspartic acid structure
N-Carbobenzyloxy-L-aspartic acid structure

N-Carbobenzyloxy-L-aspartic acid

Iupac Name:(2S)-2-(phenylmethoxycarbonylamino)butanedioic acid
CAS No.: 1152-61-0
Molecular Weight:267.237
Modify Date.: 2023-03-06 10:55
Introduction: Used in biochemical reagents and peptide synthesis. View more+
1. Names and Identifiers
1.1 Name
N-Carbobenzyloxy-L-aspartic acid
1.2 Synonyms

(2S)-2-(Phenylmethoxycarbonylamino)butanedioic acid (2S)-2-[[(Benzyloxy)carbonyl]amino]butanedioic acid (2S)-2-{[(Benzyloxy)carbonyl]amino}succinate Aspartic acid, N-carboxy-, N-benzyl ester Aspartic acid, N-carboxy-, N-benzyl ester, L- Benzyloxycarbonyl-L-aspartic acid Carbobenzoxy-L-aspartic acid CBZ-ASP-OH CBZ-L-ASP L-ASPARTIC ACID, N-[(PHENYLMETHOXY)CARBONYL]- L-Aspartic acid, N-[(phenylmethoxy)carbonyl]-, ion(2-) N-(Benzyloxycarbonyl)-L-aspartic acid n-[(phenylmethoxy)carbonyl]-l-aspartic acid N-Benzyloxylcarbonyl-L-aspartic acid N-Carbobenzoxy-L-aspartic Acid N-Cbz-L-aspartic Acid NSC 88479 NSC 9972 Z-ASP Z-ASPARTIC ACID Z-Asp-OH Z-L-ASPARTIC ACID Z-L-ASP-OH

1.3 CAS No.
1152-61-0
1.4 CID
2723942
1.5 EINECS(EC#)
214-568-4
1.6 Molecular Formula
C12H13NO6 (isomer)
1.7 Inchi
InChI=1S/C12H13NO6/c14-10(15)6-9(11(16)17)13-12(18)19-7-8-4-2-1-3-5-8/h1-5,9H,6-7H2,(H,13,18)(H,14,15)(H,16,17)/t9-/m0/s1
1.8 InChkey
XYXYXSKSTZAEJW-VIFPVBQESA-N
1.9 Canonical Smiles
C1=CC=C(C=C1)COC(=O)NC(CC(=O)O)C(=O)O
1.10 Isomers Smiles
C1=CC=C(C=C1)COC(=O)N[C@@H](CC(=O)O)C(=O)O
2. Properties
2.1 Density
1.404 g/cm3
2.1 Melting point
117-119℃
2.1 Boiling point
472.8 °C at 760 mmHg
2.1 Refractive index
9.5 ° (C=7, AcOH)
2.1 Flash Point
239.7 °C
2.1 Precise Quality
267.07400
2.1 PSA
112.93000
2.1 logP
1.23160
2.1 Appearance
Almost white powder with lumps
2.2 Storage
Keep Cold.
2.3 Chemical Properties
white fine crystalline powder N-Carbobenzyloxy-L-aspartic acidSupplier
2.4 Color/Form
White
2.5 pKa
3.75±0.23(Predicted)
2.6 Water Solubility
Very soluble
2.7 Stability
Stable under normal temperatures and pressures.
2.8 StorageTemp
2-8°C
3. Use and Manufacturing
3.1 GHS Classification
Signal: Warning
GHS Hazard Statements
Aggregated GHS information provided by 25 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (96%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown.

Precautionary Statement Codes
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501
4. Safety and Handling
4.1 Symbol
GHS07;
4.1 Hazard Codes
Xi
4.1 Signal Word
Warning
4.1 Risk Statements
R36/37/38
4.1 Safety Statements
S26;S37/39
4.1 Hazard Declaration
H315; H319; H335
4.1 WGK Germany
3
5. MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Skin irritation, Category 2

Eye irritation, Category 2

Specific target organ toxicity \u2013 single exposure, Category 3

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Warning

Hazard statement(s)

H315 Causes skin irritation

H319 Causes serious eye irritation

H335 May cause respiratory irritation

Precautionary statement(s)
Prevention

P264 Wash ... thoroughly after handling.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P271 Use only outdoors or in a well-ventilated area.

Response

P302+P352 IF ON SKIN: Wash with plenty of water/...

P321 Specific treatment (see ... on this label).

P332+P313 If skin irritation occurs: Get medical advice/attention.

P362+P364 Take off contaminated clothing and wash it before reuse.

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P337+P313 If eye irritation persists: Get medical advice/attention.

P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P312 Call a POISON CENTER/doctor/\u2026if you feel unwell.

Storage

P403+P233 Store in a well-ventilated place. Keep container tightly closed.

P405 Store locked up.

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

9. Other Information
9.0 BRN
2336722
9.1 Chemical Properties
white fine crystalline powder
10. Computational chemical data
  • Molecular Weight: 267.237g/mol
  • Molecular Formula: C12H13NO6
  • Compound Is Canonicalized: True
  • XLogP3-AA: 0.6
  • Exact Mass: 267.07428713
  • Monoisotopic Mass: 267.07428713
  • Complexity: 337
  • Rotatable Bond Count: 7
  • Hydrogen Bond Donor Count: 3
  • Hydrogen Bond Acceptor Count: 6
  • Topological Polar Surface Area: 113
  • Heavy Atom Count: 19
  • Defined Atom Stereocenter Count: 1
  • Undefined Atom Stereocenter Count: 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Isotope Atom Count: 0
  • Covalently-Bonded Unit Count: 1
  • CACTVS Substructure Key Fingerprint: AAADccByOAAAAAAAAAAAAAAAAAAAAAAAAAAwAAAAAAAAAAABAAAAHgAQCAAADCjhmAYwCILABgCIAiDSGAACAAAgAAAIiIGICIkKJjqAMTiMcAAm1gEYqAfDwCAOAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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