| 货号 | 品牌 | 产品名称 | 规格 | 包装、参考价格 | |
| M813220 | MACKLIN | (|R|)-(+)-α-甲氧基-α-(三氟甲基)苯乙酸 | 99% | 188元/100mg; 350元/250mg; 801元/1g; | 咨询 |
储存：2~8°C,干燥 状态：白色结晶低熔点固体 折射率：n20/D 1.473(lit.) |
| M0831 | TCI | (R)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetic Acid [Optical Resolving] | >98.0%(GC)(T) | 1540元/1G; 5180元/5G; | 咨询 |
基本信息 | 纯度/分析方法 | >98.0%(GC)(T) | | 分子式/分子量 | C10H9F3O3 = 234.17 | | 外观与形状(20℃) | 固体 | | Reaxys-RN | 2215440 | | PubChem物质ID | 87572829 | | MDL编号 | MFCD00004184 |
技术规格 | Appearance | White or Colorless to Light yellow powder to lump to clear liquid | | Purity(GC) | min. 98.0 % | | Optical purity(GC) | min. 99.0 ee% | | Purity(Neutralization titration) | min. 98.0 % | | Specific rotation [a]20/D | +70.0 to +75.0 deg(C=2, Methanol) |
物性(参考值) | 熔点 | 35 ℃ | | 比旋光度 [α]D | 72° (C=2,MeOH) |
安全信息 | 图形或危害标志 |  | | 信号词 | 警告 | | 危险性说明 | H315 : 造成皮肤刺激。
H319 : 造成严重眼刺激。
| | 防范说明 | P264 : 作业后彻底清洗皮肤。
P280 : 戴防护手套/戴防护眼罩/戴防护面具。
P302 + P352 : 如皮肤沾染：用水充分清洗。
P337 + P313 : 如仍觉眼刺激：求医/就诊。
P305 + P351 + P338 : 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。
P362+P364 : 脱掉沾污的衣服，清洗后方可重新使用。
P332 + P313 : 如发生皮肤刺激：求医/就诊。
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| B22968 | Alfa Aesar | (R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid | 99% | 758元/0.1g; 1472元/500mg; 5613元/2.5g; | 咨询 |
应用
(R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid is widely used reagent for determination of optical purities of alcohols and amines by 1H or 19F NMR. 备注
Hygroscopic. Store under inert gas. Store away from oxidizing agents, moisture. 基本信息 MDL
MFCD00004184 EINECS
243-829-5 分子式
C10H9F3O3 分子量
234.18 熔点
43-45° 沸点
105-107°/1mm 闪点
>110°(230°F) 密度
1.344 折射率
1.4730 灵敏度
Keep Cold. Hygroscopic. 形态
Solid 溶解性
Soluble in methanol (50 mg/ 1 ml). Beilstein
2215440 Merck
14,6280 GHS危害和防范说明 GHS符号
Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation. Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations. 安全信息 危险类别
36/37/38
Irritating to eyes, respiratory system and skin. 安全等级
26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. TSCA
否 |
| C31222 | Alfa Aesar | (R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid | 99%(e.e.>99.5%) | 1066元/250mg; 2153元/1g; 8395元/5g; | 咨询 |
基本信息 Ref#
31222 MDL
4184 分子式
C10 H9 F3 O3 分子量
234.17 闪点
>110 形态
White solid |
| 65361 | Supelco | (R)-(+)-α-Methoxy-α-trifluoromethylphenylacetic acid | for chiral derivatization, LiChropur™, ≥99.0% | 2122.21元/250 MG; | 咨询 |
产品说明 一般描述 Mosher 酸性氯化物通常用作手性衍生剂。它易于获得的对映体纯形式。它可以与醇类和胺类形成非对映异构体。 应用 Mosher酰氯可用作β芳基乙胺、对映体醇和对映体胺的衍生化试剂。它还可用作NMR法测定醇和胺的对映体纯度和绝对构型的试剂。 包装 无底玻璃瓶。内含物装在插入的融合锥内。 推荐产品 探索最适于 HPLC 或 LC-MS 分析的 LiChropur 试剂 法律信息 LiChropur is a trademark of Merck KGaA, Darmstadt, Germany 基本信息 | 线性分子式 | C6H5C(OCH3)(CF3)CO2H | | 分子量 | 234.17 | | Beilstein | 3591560 | | EC 号 | 243-829-5 | | MDL编号 | MFCD00004184 | | PubChem化学物质编号 | 329760051 | | NACRES | NA.22 |
产品性质 | 质量水平 | 100 | | 等级 | for chiral derivatization | | 测定 | ≥99.0% (T)
≥99.0% | | 旋光性 | [α]20/D +73±1°, c = 2% in methanol | | 光学纯度 | enantiomeric ratio: ≥99.5:0.5 (GC) | | 质量 | LiChropur™ | | technique(s) | HPLC: suitable | | 折射率 | n20/D 1.473 (lit.) | | bp | 105-107 ℃/1 mmHg (lit.) | | mp | 46-49 ℃ (lit.) | | 密度 | 1.344 g/mL at 25 ℃ (lit.) | | 储存温度 | 2-8℃ | | SMILES string | CO[C@@](C(O)=O)(c1ccccc1)C(F)(F)F | | InChI | 1S/C10H9F3O3/c1-16-9(8(14)15,10(11,12)13)7-5-3-2-4-6-7/h2-6H,1H3,(H,14,15)/t9-/m1/s1 | | InChI key | JJYKJUXBWFATTE-SECBINFHSA-N |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H315 - H319 - H335 | | 预防措施声明 | P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338 | | 危险分类 | Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3 | | 靶器官 | Respiratory system | | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 3 | | 闪点(F) | 235.4 °F - closed cup | | 闪点(C) | 113 ℃ - closed cup | | 个人防护装备 | dust mask type N95 (US), Eyeshields, Gloves |
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| 155268 | Sigma-Aldrich | (R)-(+)-α-Methoxy-α-trifluoromethylphenylacetic acid | 99% | 721.29元/250 MG; 2392.29元/1 G; 7893.71元/5 G; | 咨询 |
产品说明 应用 (R)-(+)-α-Methoxy-α-trifluoromethylphenylacetic acid is commonly used as a derivatizing agent in Mosher ester analysis, an NMR-based method for determining the absolute configuration of the chiral carbon center in a secondary alcohol. 包装 250 mg in glass bottle
1, 5 g in glass bottle
Bottomless glass bottle. Contents are inside inserted fused cone. 其他说明 doi:10.1038/nprot.2007.354 基本信息 | 线性分子式 | C6H5C(OCH3)(CF3)CO2H | | 分子量 | 234.17 | | Beilstein | 3591560 | | EC 号 | 243-829-5 | | MDL编号 | MFCD00004184 | | PubChem化学物质编号 | 24849508 |
产品性质 | 质量水平 | 100 | | 测定 | 99% | | 旋光性 | [α]20/D +72°, c = 1.6 in methanol | | 光学纯度 | ee: 99% (GLC) | | 折射率 | n20/D 1.473 (lit.) | | bp | 105-107 ℃/1 mmHg (lit.) | | mp | 46-49 ℃ (lit.) | | 密度 | 1.344 g/mL at 25 ℃ (lit.) | | 储存温度 | 2-8℃ | | SMILES string | CO[C@@](C(O)=O)(c1ccccc1)C(F)(F)F | | InChI | 1S/C10H9F3O3/c1-16-9(8(14)15,10(11,12)13)7-5-3-2-4-6-7/h2-6H,1H3,(H,14,15)/t9-/m1/s1 | | InChI key | JJYKJUXBWFATTE-SECBINFHSA-N |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H315 - H319 - H335 | | 预防措施声明 | P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338 | | 危险分类 | Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3 | | 靶器官 | Respiratory system | | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 3 | | 闪点(F) | 235.4 °F - closed cup | | 闪点(C) | 113 ℃ - closed cup | | 个人防护装备 | dust mask type N95 (US), Eyeshields, Gloves |
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| 009273 | Fluorochem | (+)-a-Methoxy-a-(trifluoromethyl)phenylacetic acid | 98% | 770元/250mg; 1012元/1g; 4114元/5g; | 咨询 |
基本信息 | CAS Number | 20445-31-2 | | MDL Number | MFCD00004184 | | Melting Point | 43-45℃ | | Density | 1.344 |
安全信息 | 图形或危害标志 | | | 危险性说明 | H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
| | 防范说明 | P233: Keep container tightly closed.
P260: Do not breathe .
P261: Avoid breathing .
P264: Wash hands thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear .
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing..
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P312: Call a POISON CENTER or doctor/physician if you feel unwell.
P321: Specific treatment (see relevant procedures. on this label).
P332 + P313: If skin irritation occurs: Get medical advice/ attention.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P362: Take off contaminated clothing and wash before reuse.
P403: Store in a well-ventilated place.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
P501: Dispose of contents/container to in accordance with local regulation .
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