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L-丝氨酸,L-Serine;for biochemistry, ≥99.0%

别名:(S)-2-氨基-3-羟基丙酸;L丝氨酸;(S)-2-Amino-3-hydroxypropionic acid

CAS号 56-45-1 经验分子式(希尔表示法) C3H7NO3 分子量 105.09 MDL number MFCD00064224 EC Index Number 200-274-3
货号(SKU): 1.07769
CAS号: 56-45-1
MDL号: MFCD00064224
增值税发票 √ 免费货运 [顺丰 联邦] √
¥589.36

产品描述

Analysis Note

Assay (perchloric acid titration, calculated on dried substance): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white or colorless, needle-shaped crystals
Appearance of solution (1 mol/l, water): clear and colorless
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): +14.3 to +15.8
UV-Absorption(260 nm; 1 mol/l; 1 cm; water): ≤ 0.05
UV-Absorption(280 nm; 1 mol/l; 1 cm; water): ≤ 0.02
Chloride (Cl): ≤ 0.02 %
Sulfate (SO₄): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.001 %
As (Arsenic): ≤ 0.0005 %
Ca (Calcium): ≤ 0.001 %
Co (Cobalt): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.005 %
NH₄ (Ammonium): ≤ 0.01 %
Zn (Zinc): ≤ 0.0005 %
Foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances: ≤ 0.1 %
Loss on drying (105 °C; 3 h): ≤ 0.3 %

性质

Quality Level100
pH5-6 (20 °C, 100 g/L in H2O)
mp215-225 °C (decomposes)
solubility360 g/L
bulk density570 kg/m3
InChI1S/C3H7NO3/c4-2(1-5)3(6)7/h2,5H,1,4H2,(H,6,7)
InChI keyMTCFGRXMJLQNBG-UHFFFAOYSA-N
storage conditionsStore below +30°C.


安全信息

个人防护装备 EyeshieldsGlovestype N95 (US)
RIDADR NONH for all modes of transport
WGK德国 WGK 1
商品规格
属性名称属性值
储存温度 Storage temp.常温阴凉避光
全球实时库存 Availability √美国St. Louis ≥ 190 | 欧洲Eur. ≥ 66 | 東京Tokyo ≥ 82 | 香港与北京 ≥ 55
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