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 and dry (2~8℃) warehouse away from incompatible substances. Protect from light and moisture.Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of D-Methionine (H-D-Met-OH) (CAS: 348-67-4) with high quality. Ruifu Chemical supplys a series of amino acids. We can provide worldwide delivery, small and bulk quantities available. Purchase D-Methionine, Please contact: alvin@ruifuchem.comDescription:
Package & Storage:
| Chemical Name | D-Methionine (H-D-Met-OH) |
| Synonyms | H-D-Met-OH; D-Met-OH; Dextro-Methionine; (R)-Methionine; (R)-2-Amino-4-(Methylmercapto)butyric Acid; D-2-Amino-4-(Methylthio)butanoic Acid |
| Stock Status | In Stock |
| CAS Number | 348-67-4 |
| Molecular Formula | C5H11NO2S |
| Molecular Weight | 149.21 g/mol |
| Melting Point | 273.0~275.0℃ |
| Density | 1.206 |
| Solubility | Soluble in Water (53 g/L 20℃), Dilute Acid and Alkali, Very Slightly Soluble in Alcohol, Insoluble in Ether. |
| Solubility in Hot Water | Almost Transparency |
| Storage Temp. | Cool & Dry Place (2~8℃) |
| COA & MSDS | Available |
| Category | Amino Acids and Derivatives |
| 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 Crystalline Powder | Complies |
| Specific Rotation [α]20/D | -23.0° to -25.0° (C=2, 6N HCl) | -23.8° |
| Transmittance | ≥98.0% | 99.6% |
| Chloride (Cl) | ≤0.020% | <0.020% |
| Sulfate (SO4) | ≤0.020% | <0.020% |
| Ammonium (NH4) | ≤0.010% | <0.010% |
| Iron (Fe) | ≤10ppm | <10ppm |
| Heavy Metals (Pb) | ≤10ppm | <10ppm |
| Arsenic (AS2O3) | ≤2ppm | <2ppm |
| Loss on Drying | <0.20% | <0.20% |
| Residue on Ignition | <0.10% | <0.10% |
| Assay | 99.0%~100.5% (Titration) | 99.8% |
| pH | 5.6~6.1 | 5.8 |
| MS Spectrum | In Accordance With the Standard | Complies |
| NMR Spectrum | In Accordance With the Standard | Complies |
| Conclusion | This Product by Inspection Accords with the Enterprise Standard | |
348-67-4 - Risk and Safety:
Application:
Hazard Symbols Xi - Irritant Risk Codes R33 - Danger of cumulative effects 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. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. WGK Germany 3 RTECS PD0455000 TSCA Yes HS Code 2922491990D-Methionine (H-D-Met-OH) (CAS: 348-67-4), an optically active form of methionine having D-configuration. Amino acids derivatives, used in peptide synthesis, organic synthesis intermediates, pharmaceutical intermediates, biochemical reagents, chemical reagents and nutritional supplements.