Methyl L-Pyroglutamate

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Names

[ CAS No. ]:
4931-66-2

[ Name ]:
Methyl L-Pyroglutamate

[Synonym ]:
L-Pyroglutamic Acid Methyl Ester
DL-Proline, 5-oxo-, methyl ester
EINECS 225-567-3
Methyl (S)-(+)-2-Pyrrolidone-5-carboxylate
methyl (2S)-5-oxopyrrolidine-2-carboxylate
(S)-5-Oxopyrrolidine-2-carboxylic Acid Methyl Ester
MFCD00080931
Methyl (S)-5-Oxopyrrolidine-2-carboxylate
L-Proline, 5-oxo-, methyl ester
Methyl 5-oxo-L-prolinate
L-Pyroglutamic acid methylester

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
304.7±35.0 °C at 760 mmHg

[ Molecular Formula ]:
C6H9NO3

[ Molecular Weight ]:
143.141

[ Flash Point ]:
138.1±25.9 °C

[ Exact Mass ]:
143.058243

[ PSA ]:
55.40000

[ LogP ]:
-1.92

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.465

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ RIDADR ]:
NONH for all modes of transport

[ HS Code ]:
2933790090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • L-Pyroglutamicacid
  • Methanol
  • 5-Oxopyrrolidine-2-carboxylic acid
  • 2,2-Dimethoxypropane
  • methyl L-1-(4-nitrobenzyloxycarbonyl)pyroglutamate
  • Sulfuric acid
  • sodium sulfate
  • 1-Benzyl 2-methyl (2S)-5-oxo-1,2-pyrrolidinedicarboxylate
  • L-Norvaline, 5-diazo-4-oxo-N-(trifluoroacetyl)-, methyl ester
  • Boc-L-Pyroglutamic acid methyl ester

DownStream

  • (5S)-5-[[[(tert-Butyl)dimethylsilyl]oxy]methyl]-2-pyrrolidinone
  • METHYL1-METHYL-5-OXO PROLINATE
  • (4R)-1-(tert-Butoxycarbonyl)-4-methyl-L-proline
  • Boc-Pro-OMe
  • (5S)-5-(azidomethyl)pyrrolidin-2-one
  • (S)-(+)-5-(Hydroxymethyl)-2-pyrrolidinone p-toluenesulfonate
  • (R)-Methyl 5-oxopyrrolidine-2-carboxylate
  • Methyl L-Pyroglutamate
  • Butyl 5-oxo-L-prolinate
  • butyl-5-oxopyroglutamate

Customs

[ HS Code ]: 2933790090

[ Summary ]:
2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

Related Compounds

  • methyl L-1-(4-nitrobenzyloxycarbonyl)pyroglutamate
  • Methyl-L-Daunosamine Hydrochloride
  • Methyl L-tryptophanate hydrochloride
  • Methyl L-isoleucinate
  • methyl L-1-propionyl-5-oxoprolinate
  • methyl L-3,4-dihydro-β-carboline-3-carboxylate 4-toluenesulfonic acid salt
  • N-[(1-butyl-1H-indol-5-yl)methyl]cyclopropanamine
  • 3,5-Difluoro-4-(methoxycarbonyl)benzoic acid
  • Diethyl 2,2'-(1-(tert-butoxycarbonyl)piperidine-4,4-diyl)diacetate
  • 5-(3-Aminophenyl)-2-methoxyaniline
  • 1,2-Hexanediamine, N1-[(tetrahydro-3-furanyl)methyl]-
  • 4-(4-Methoxy-3-methylphenyl)butan-1-amine
  • 6-Aminopyridine-2-carboxamidine
  • 5-(Pyrimidin-4-yl)oxazole-4-carboxylic acid
  • Ethyl({[1-(2-methylpropyl)-1H-indol-5-yl]methyl})amine
  • (Propan-2-yl)[(1-propyl-1H-indol-5-yl)methyl]amine
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