MDL：
MFCD00006160

Molecular Formula：
C9H20N2O4S

Molecular Weight：
252.30

Alias：
3-[4-(羥乙基)-1-哌嗪基]丙磺酸 4-(2-Hydroxyethyl)-1-piperazinepropanesulfonic acid N-(2-Hydroxyethyl)piperazine-N′-(3-propanesulfonic acid) 4-(2-Hydroxyethyl)piperazine-1-propanesulfonic acid EPPS HEPPS

Product order：

Name	Specifications	Packing	Price	Delivery
HEPPS	用于細(xì)胞培養(yǎng),≥99.5% (T)	100g	RMB 1078	Consulting service
HEPPS	用于細(xì)胞培養(yǎng),≥99.5% (T)	25g	RMB 418	Consulting service
HEPPS	≥99.5% (T)	100g	RMB 638	Consulting service
HEPPS	≥99.5% (T)	25g	RMB 198	Consulting service
HEPPS	≥99.0% (T)	100g	RMB 418	Consulting service
HEPPS	≥99.0% (T)	25g	RMB 121	Consulting service

Character：
白色晶體粉末。
熔點：237-239℃
pH range 7.3 - 8.7
pKa (25 °C) 8.0
pKa  8 

Quality Standard：
項目                                 生化試劑級
                                        BC
純度assay                             ≥99%(T)
水分Moistrue                          ≤0.5%
pH(1% in H2O)                         5.0-6.5

品級Grade                               超純級  
                                    (Ultra pure,≥99.5% (T))
外觀Appearance                         白色粉末
含量assay                              ≥99.5% (titration)
磷Phosphorus (P)                       ≤0.005%
不溶物Insoluble matter                 ≤0.1%
灼燒殘渣Residue on ignition            ≤0.1%
pH                                     5.0-7.0 (20 °C, 1 M in H2O)
useful pH range                        7.3 - 8.7
pKa                                    8
水溶性solubility H2O:                  soluble1 M at 20 °C, clear, colorless
溴bromide (Br-):                       ≤0.1%
  Al:                                  ≤0.0005%
  Ca:                                  ≤0.002%
  Cu:                                  ≤0.0005%
  Fe:                                  ≤0.0005%
  K:                                   ≤0.005%
  Mg:                                  ≤0.0005%
  NH4+:                                 ≤0.1%
  Na:                                  ≤0.005%
  Pb:                                  ≤0.001%
  Zn:                                  ≤0.0005%
A260(1M,water):                       ≤0.1
A280(1M,water):                       ≤0.1

品級Grade                               細(xì)胞培養(yǎng)級  
                                  (for cell culture, ≥99.5%)
外觀Appearance                         白色粉末
含量assay                              ≥99.5% (titration)
heavy metals (as Pb):                  ≤5 ppm
灼燒殘渣Residue on ignition            ≤0.1%  
水溶性solubility H2O:                  soluble1 M at 20 °C, clear, colorless
A260(1M,water):                       ≤0.1
A280(1M,water):                       ≤0.1
DNA酶DNases,                           none detected
RND酶RNases,                           none detected
磷酸酶phosphatases,                    none detected
蛋白酶proteases,                       none detected
內(nèi)切酶Endonuclease,                    none detected
內(nèi)毒素Endotoxin                        ≤ 0.1 EU/MG
標(biāo)準(zhǔn)平板計數(shù)Standard plate count       ≤100 CFU/G
細(xì)胞培養(yǎng)測試cell culture test          pass 

Storage：
密封避光保存。
用途  HEPPS有很多相似于HEPES的特性。因為有高的緩沖范圍，適合用于磷酸化反應(yīng)，特別是Tricine不能使用的情況下。HEPPS可用于Folin蛋白檢測中，但不能用于縮二脲檢測