Chemical Properties:
Package: Fluorinated Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement. Storage Condition: Store in sealed containers at cool, dry (≤25℃) and ventilated warehouse away from incompatible substances. Protect from light and moisture.Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of Z-L-Pyroglutamic Acid (Z-Pyr-OH) (CAS: 32159-21-0) with high quality. Ruifu Chemical supplys a series of amino acids and derivatives. We can provide worldwide delivery, small and bulk quantities available. Purchase Z-Pyr-OH, Please contact: alvin@ruifuchem.comDescription:
Package & Storage:
| Chemical Name | Z-L-Pyroglutamic Acid |
| Synonyms | Z-Pyr-OH; Cbz-Pyr-OH; N-Cbz-L-Pyroglutamic Acid; N-Carbobenzoxy-L-Pyroglutamic Acid; N-Benzyloxycarbonyl-L-Pyroglutamic Acid; (S)-1-Cbz-5-Oxopyrrolidine-2-Carboxylic Acid; (S)-1-Carbobenzoxy-5-Oxopyrrolidine-2-Carboxylic Acid;(S)-1-Benzyloxycarbonyl-5-Oxopyrrolidine-2-Carboxylic Acid |
| Stock Status | In Stock |
| CAS Number | 32159-21-0 |
| Molecular Formula | C13H13NO5 |
| Molecular Weight | 263.25 g/mol |
| Melting Point | 139.0 to 143.0℃ |
| Density | 1.408±0.06 g/cm3 |
| Storage Temp. | Cool & Dry Place (≤25℃) |
| COA & MSDS | Available |
| Category | Unusual Amino Acids |
| Brand | Ruifu Chemical |
Advantages:
How to Purchase? Please contact Dr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com 15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals. Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc. Advantages? Superior quality, affordable price, professional services and technical support, fast delivery. Quality Assurance? Strict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc. Samples? Most products provide free samples for quality evaluation, shipping cost should be paid by customers. Factory Audit? Factory audit welcome. Please make an appointment in advance. MOQ? No MOQ. Small order is acceptable. Delivery Time? If within stock, three days delivery guaranteed. Transportation? By Express (FedEx, DHL), by Air, by Sea. Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided. Custom Synthesis? Can provide custom synthesis services to best fit your research needs. Payment Terms? Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc.FAQ:
Stable Supply: Maintain reasonable stock
Professional Service: One stop purchasing service
Technical Support: Technology solution available
Custom Synthesis Service: Ranged from grams to kilos
Fast Delivery: If within stock, three days delivery guaranteed
High Quality: Established a complete quality assurance system
Sufficient Capacity: Sufficient facilities and technicians
OEM Package: Custom package and label available
Specifications:
| Items | Inspection Standards | Results |
| Appearance | White to Off-White Powder | Complies |
| Melting Point | 139.0 to 143.0℃ | 139.0~140.4℃ |
| Specific Rotation [α]20/D | -32.0°±4.0° (C=1 in MeOH) | -33.7° |
| Loss on Drying | <1.00% (60℃, 2h) | 0.57% |
| Water Content (K.F) | <1.00% | 0.086% |
| Elemental Analysis (C、H、N) | ≤5.0% | <5.0% |
| Purity / Analysis Method | >99.0% (HPLC) | 99.76% |
| Solubility in MeOH | Clear Colorless (100 mg/ml) Pass | Complies |
| Infrared Spectrum | Conforms to Structure | Complies |
| Proton NMR Spectrum | Conforms to Structure | Complies |
| Conclusion | This Product by Inspection Accords with the Enterprise Standard | |
32159-21-0 - Risk and Safety:
Application:
Risk Codes R22/22 - R36/37/38 - Irritating to eyes, respiratory system and skin. Safety Description S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S44 - S35 - This material and its container must be disposed of in a safe way. S28 - After contact with skin, wash immediately with plenty of soap-suds. S7 - Keep container tightly closed. S4 - Keep away from living quarters. WGK Germany 3 HS Code 2922491990Z-L-Pyroglutamic Acid (Z-Pyr-OH) (CAS: 32159-21-0) is an amino acid building block used in the synthesis of various compounds. Unusual amino acids, peptide synthesis, an amino acid protective monomer, organic synthesis intermediate, pharmaceutical intermediates, biochemical reagents, chemical reagents. Z-Pyr-OH is an amino acid derivative, which can be prepared by L-Glutamine through Cbz-Cl protection.