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| Product | Description | |
|---|---|---|
| p-Toluenesulfonic anhydride | p-Toluenesulfonic anhydride. Group: Biochemicals. Grades: Highly Purified. CAS No. 4124-41-8. Pack Sizes: 5g, 10g, 25g, 50g, 100g. Molecular Formula: C14H14O5S2. US Biological Life Sciences. |  Worldwide |
| P-Toluenesulfonic anhydride | P-Toluenesulfonic anhydride. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-Methylbenzenesulfonic anhydride. Product Category: Sulfonylation Reagents. CAS No. 4124-41-8. Molecular formula: C14H14O5S2. Mole weight: 326.39. Purity: 0.97. Product ID: ACM4124418-1. Alfa Chemistry ISO 9001:2015 Certified. |  |
| Alitame | Alitame. CAS No. 80863-62-3. Product ID: PE-0488. Category: Sweetening agent. Product Keywords: Pharmaceutical Excipients; Excipients for Solid Dosage Form; Alitame; Sweeteners Excipients; Sweetening agent; 80863-62-3; 80863-62-3. UNII: NA. Chemical Name: L-α-Aspartyl-N-(2, 2, 4, 4-tetramethyl-3-thietanyl)-D-alanina-mide anhydrous; L-α-Aspartyl-N-(2, 2, 4, 4-tetramethyl-3-thietanyl)-D-alanina-mide hydrate. Grade: Pharmceutical Excipients. Stability and Storage Conditions: Alitame is stable at dry room temperature and degrades at high temperature or low pH. In the first stage, allose degrades to aspartic acid and alanine (under caustic conditions), and in the second stage it degrades slowly, first to β-aspartic acid isomers and then to aspartic acid and alanine. At pH 5 - 8, the half-life of alose solution at 23°C is about 4 years. At pH 2, the half-life of allose solution at 23°C is 1 year. Allocate should be kept in an airtight container in a cool and dry place. Source and Preparation: Alitame can be synthesized in a variety of ways. For example, dissolve 3- (d-alanamide) -2, 2, 4, 4-tetramethylthiocentine (thietane) in water, then add L-aspartic acid n-thiocarboxylic anhydride in sections, stir vigorously, maintain pH 8.5 - 9.5, then adjust pH to 5.5. P-toluenesulfonic acid monohydrate was added slowly over a period of more than one hour. Filter and collect the precipitated toluene sulfonate. To obtain ali |  |
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