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l-pyroglutamic acid (c15-1294-973)

L-PYROGLUTAMIC ACID >=99.0% T (C005B-092288)

Catalog No.
C005B-092288
Manufacturer No.
83160-100G
Manufacturer Name
Sigma-Aldrich
Quantity
100
Unit of Measure
GR

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Application L -Pyroglutamic acid is used in the synthesis of: Nonproteinogenic amino acids such as (3 S ,4 R )-3,4-dimethyl- L -pyroglutamic acid and (3 S ,4 R )-3,4-dimethyl- L -glutamine. Chiral N -heterocyclic carbenes (NHCs) as catalysts for

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Application

L-Pyroglutamic acid is used in the synthesis of:

  • Nonproteinogenic amino acids such as (3S,4R)-3,4-dimethyl-L-pyroglutamic acid and (3S,4R)-3,4-dimethyl-L-glutamine.
  • Chiral N-heterocyclic carbenes (NHCs) as catalysts for the asymmetric dimerization of alkylarylketenes to give the corresponding α-quaternary β-alkylidenyl-β-lactones.

It is also used in the total synthesis of (−)-stemoamide and celogentin C.

Molecular Weight: 129.11. Empirical Formula: C5H7NO3. Quality Level: 200. Assay: ≥. 99.0% (T). form: solid. optical activity: [α. ]20/D −. 10.5±1°, c :  . 5% in H2O. optical purity: enantiomeric ratio: ≥. 99:1 (GC). reaction suitability: reaction type: solution phase peptide synthesis. ign. residue: ≤. 0.05%. mp: 155-162 . °C, 160-163 . °C (lit.). application(s): peptide synthesis. SMILES string: OC(: O)[C@@H]1CCC(: O)N1. InChI: 1S/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)/t3-/m0/s1. InChI key: ODHCTXKNWHHXJC-VKHMYHEASA-N. Pictograms: GHS05. Signal Word: Danger. Hazard Statements: H318 - H412. Precautionary Statements: P273 - P280 - P305 + P351 + P338 - P501. Hazard Classifications: Aquatic Chronic 3 - Eye Dam. 1. Storage Class Code: 11 - Combustible Solids. WGK: WGK 3. Flash Point(F): Not applicable. Flash Point(C): Not applicable. Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves.
UPC:
12352209
Condition:
New
HazmatClass:
No
MPN:
83160-100G
CAS:
98-79-3

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