China (Mainland)
Assessedsupplier 
- Product Details
Keywords
- Pyroglutamic acid
- 4042-36-8
- D-Pyr
Quick Details
- ProName: D-Pyroglutamic acid
- CasNo: 4042-36-8
- Molecular Formula: C5H7NO3
- Appearance: White crystals with lumps
- Application: pharmaceutical intermediates,biochemic...
- DeliveryTime: Immediately
- PackAge: 25kg/drum
- Port: Chinese Main ports
- ProductionCapacity: 20 Metric Ton/Month
- Purity: 99%
- Storage: Store in dry, dark, ventilated place.
- Transportation: airfreight or Vessel
- LimitNum: 1 Kilogram
- Grade: Pharma Grade
Superiority
Sichuan Tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in China, we have the best quality and price. Guarantee high quality, competive price and reliable service.
We fully compliance with ISO9001:2008, production and quality management following GMP standards, production plant constructed in accordance with GMP standards. Quality control conforms to the standards of pharmaceutical-food CP grade and Japan Ajinomoto AJI, American USP and Reagent grade BR.
we have Kosher and halal certificate
Details
Product Name: D-Pyroglutamic acid
CAS#: 4042-36-8
Synonyms: H-D-Pyr-OH
Molecular Formula: C5H7NO3
Molecular Weight: 129
Reference Standard USP26/AJI92
Specification:
|
Item |
Standard |
Analysis data |
|
Appearance |
White crystals with lumps |
Conforms |
|
Specific rotation[α]D/20 (C=2 in H2O) |
+10.8°to +12.3° |
+11.5° |
|
Melting Point (ºC) |
160 to 163 ºC |
161.5ºC |
|
Chloride(C1) |
Not more than 0.02% |
Conforms |
|
Iron(Fe) |
Not more than 10ppm |
Conforms |
|
Heavy metals(Pb) |
Not more than 10ppm |
Conforms |
|
Arsenic(As2O3) |
Not more than 1ppm |
Conforms |
|
Loss on drying |
Not more than 0.20% |
0.15% |
|
Residue on ignition |
Not more than 0.10% |
0.08% |
|
Assay |
98.0%～101.0% |
99.0% |
Application:
D-Pyroglutamic acid is used in pharmaceutical intermediates,biochemical study,life sciences,etc.
Laboratory Picture:
