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L-Pyroglutamic acid

BGC Id:950498062467
CAS No:98-79-3
Synonyms:h-pyr-oh ; h-pglu-oh ; pidolidone ; l-pyr-ph ; pglu-oh ; oxoproline ; h-l-pglu-oh ; pidolic ; h-l-pyr-oh ; pyr-oh
Molecular Formula:C5H7NO3
Molecular Weight:129.11398
EINECS:202-700-3
Structural Formula

2025 - The most valued supplier

The following 29 notable providers have been checked and can be recommended.
Chemical-Suppliers
Zehao Industry
Appearance   White to off-white microcrystalline powder
Assay   Not less than 99%
m.p   160 -162 Celsius Degree
Specific Rotation(20/D)   -11.5~ -12.5°(C=2 in H2O)
>>more
Chemical-Suppliers
Leap Chem
Molecular Formula: C5H7NO3 Molecular Weight: 129.11 Hazard Symbols: Xi WGKGermany: 3 HS Code: 29337900
Chemical-Suppliers
BuGuCh & Partners
Appearance:White crystalline powder Content:98.0-101.0% Use: Good material modern skin care and hair care cosmetics Peculiarity:An amino acid composition of protein Packing:25kg/drum Min.Order Quantity:1kg Port:China main port Product specification: 1.Specific rotation(a)D20 (C=2,H20):-10.5°to -11.8° 2.Melting point (℃): 158℃ to 161℃ 3.Chloride (C1):Not more than 0.02% 4.Ammonium (NH4):Not more than 0.02% 5.Sulfate (SO4 >>more

The last intensive check and update was carried out on 2025/09/17.

Identify

Synonyms:
h-pyr-oh ; h-pglu-oh ; pidolidone ; l-pyr-ph ; pglu-oh ; oxoproline ; h-l-pglu-oh ; pidolic ; h-l-pyr-oh ; pyr-oh
CAS:
98-79-3
EINECS:
202-700-3
Molecular Formula:
C5H7NO3
MDL:
MFCD00005272
SMILES:
CC1=CC=C(C=C1)C(C(F)(F)F)(F)F

Properties

Molecular Weight:
129.11398 g·mol−1
Density:
~1.4 g/cm3 (Predicted)
Melting point:
160-163 °C(lit.)
Boiling point:
~453.1° C at 760 mmHg (Predicted)
Solubility:
H2O: 1 M at 20 °C, clear, colorless
download Download Molfile

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Safety Information

Hazard Classes:
irritant
Hazardous Substances Data:
Non-Regulated Material ¹
Risk Codes:
36/37/38 (R)
Safety Codes:
26-36-37/39 (S)
WGK Germany:
3
RTECS:
TW3710000
Storage temperature:
Store at RT.

What other providers are available for CAS 98-79-3?

In addition to the providers presented here for L-Pyroglutamic acid with the CAS number 98-79-3, there are other 37 providers with slightly different product names available for this CAS number.

+3 additional providers that we know from the past
+10 additional providers that we know from the past
Iris Biotech GmbH
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+1 additional providers that we know from the past
+1 additional providers that we know from the past
+1 additional providers that we know from the past
Shandong SanYoung Industry Co., Ltd | Iris Biotech GmbH +1 additional providers that we know from the past
BLD Pharmatech Ltd +5 additional providers that we know from the past
Biesterfeld Spezialchemie GmbH +6 additional providers that we know from the past




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