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西格列汀雜質 西他列汀雜質全部現貨 產品介紹：
規(guī)格：10mg/25mg/50mg/100mg等多種規(guī)格可選。
用途：實驗研發(fā)，藥品申報檢測，不得用于臨床醫(yī)學診斷。
隨貨提供：所有雜質對照品均隨貨提供HPLC，NMR，MS圖譜及CoA證書。
Contact: 何
M.O.B: 150 1245 6311
Q.Q: 78100 7885
國產進口品牌皆有銷售，產品庫時常更新，部分雜質長期備有庫存，可當天發(fā)貨，另外，我司有專業(yè)研發(fā)團隊，可提供雜質定制服務，以zui大可能的滿足您對雜質對照品的選購需求。
西格列汀雜質 西他列汀雜質全部現貨 雜質列表：
| Sitagliptin | (R)-3-ami-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one |
| Sitagliptin Impurity 1 | (R)-3-((tert-butoxycarbonyl)amino)-4-(3,4-difluorophenyl)butanoic acid |
| Sitagliptin Impurity 2 | (R)-3-((tert-butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic acid |
| Sitagliptin Impurity 3 | (R)-3-((tert-butoxycarbonyl)amino)-4-(2,5-difluorophenyl)butanoic acid |
| Sitagliptin Impurity 4 | (S)-3-((tert-butoxycarbonyl)amino)-4-(2,4,5-trifluorophenyl)butanoic acid |
| Sitagliptin Impurity 5 | (R)-methyl 3-((tert-butoxycarbonyl)amino)-4-(2,4,5-trifluorophenyl)butanoate |
| Sitagliptin Impurity 6 | (R)-methyl 3-amino-4-(2,4,5-trifluorophenyl)butanoate |
| Sitagliptin Impurity 7 | (R)-3-amino-4-(3,4-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one |
| Sitagliptin Impurity 8 | (R)-3-amino-4-(2,4-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one |
| Sitagliptin Impurity 9 | (R)-3-amino-4-(2,5-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one |
| Sitagliptin Impurity 10 | (R)-3-((tert-butoxycarbonyl)amino)-4-(2,4,5-trifluorophenyl)butanoic acid |
| Sitagliptin Impurity 11 | (R)-tert-butyl (4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamate |
| Sitagliptin Impurity 12 | (S)-3-ami-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one |
| Sitagliptin Impurity 13 | 1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butane-1,3-dione |
| Sitagliptin Impurity 14 | (Z)-3-ami-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one |
| Sitagliptin Impurity 15 | (R)-3-amino-4-(2,4,5-trifluorophenyl)butanoic acid |
| Sitagliptin Impurity 16 | (E)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one |
| Sitagliptin Impurity 17 | (E)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-3-en-1-one |
我司主營醫(yī)藥標準品及雜質對照品，以下雜質備有庫存，可當天發(fā)貨，*： 依魯替尼雜質，奧貝膽酸雜質，依美斯汀雜質，卡格列凈雜質，利格列汀雜質，西格列汀雜質，埃索美拉唑雜質，LCZ696雜質，恩雜魯胺雜質，艾曲波帕雜質，非布司他雜質，托匹司他雜質，樂伐替尼雜質，奧拉帕尼雜質，阿維巴坦雜質，奧美拉唑雜質，普卡必利雜質，西他沙星雜質，泊沙康唑雜質，替格瑞洛雜質，托法替尼雜質，決奈達隆雜質，阿奇霉素雜質等。
美國標準局NIST標準物質部分產品列表：
2554 Optical Fiber Coating Diameter (Nominal Refractive Index 1.515) each
1452 Thermal Resistance - Fibrous Glass Blanket for High Precison Measurements each
2886 Polyethylene (Mw, 87 000 g/mol) 0.3 g
8013 Gold Nanoparticles, Nominal 60 nm Diameter 2 x 5 mL
3131a Magnesium (Mg) Standard Solution 5 x 10 mL
8492 Eastern Cottonwood Whole Biomass Feedstock 50 g
1224 LA Steel, Carbon (AISI 1078) disk
C1253a Phosphorus Deoxidized Copper - Cu X block
2113 Dynamic Impact Force Verification Specimens (Nominal 33kN) set
8680 Paint on Fiberboard, Nominal 1 to 2 mg/cm2 Lead each
16f Basic Open- Hearth Steel, 1% carbon 150 g
1742 Zinc-Aluminum Alloy disk
423 Molybdenum Oxide Concentrate 1 pouch x 60 g
853a Aluminum Alloy 3004 40 g
101g Stainless Steel (AISI 304L) 100 g
2543 Silicon Resistivity Standard - 1 ohm•cm Level each
8012 Gold Nanoparticles, Nominal 30 nm Diameter 2 x 5 mL
2074 Sinusoidal Roughness Specimen each
1755 Nitrogen in Low Alloy Steel disk
3185 Nitrate Anion Standard Solution 5 X 10 mL
154c Titanium Dioxide 90 g
2295 Reformulated Gasoline (nominal 15% MTBE) 2 x 20 mL
2483 Single-Wall Carbon Nanotubes (Raw Soot) 250 mg
663 Chromium-Vanadium Steel (Modified) 5 rods
2165 Low Alloy Steel 150 g
1138a Cast Steel Standard disk
3109a Calcium (Ca) Standard Solution 5 x 10 mL
3671 Nicotine Metabolites in Human Urine (Frozen) 3 x 10 mL
2181 HEPES 60 g
73c Stainless Steel, Cr (SAE 420) 150 g
2299 Sulfur in Gasoline (Reformulated) 5x20 mL
1908 Vickers Microhardness of Nickel each
1297 Stainless Steel (SAE 201) disk
1633c Trace Elements in Coal Fly Ash 75 g
2627a Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 5 µmol/mol) cylinder
1093 Oxygen in Valve Steel rod
194a Ammonium Dihydrogen Phosphate 90 g
659 Particle Size Distribution Standard for Sedigraph Calibration set (5)
3167a Yttrium (Y) Standard Solution 5 x 10 mL
1739 Zinc-Aluminum Alloy disk
2685c Bituminous Coal (Nominal Mass Fraction 5 %Sulfur) 50 g
79a Fluorspar 120 g
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