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Merck
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文件

10884308001

Roche

CPRG

Chlorophenol red-β-D-galactopyranoside

别名:

氯酚红-β-D-吡喃半乳糖苷, 氯酚红-β-d-吡喃半乳糖苷, CPRG, 氯酚红-β-D-半乳糖苷

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About This Item

经验公式（希尔记法）:
C25H22Cl2O10S
CAS号:
99792-79-7
分子量:
585.41
MDL號碼:
MFCD05863726
分類程式碼代碼:
12352204
PubChem物質ID:
329749219

品質等級

100

化驗

96% (HPLC)

形狀

powder

包裝

pkg of 250 mg

製造商／商標名

Roche

儲存條件

protect from light

pH值範圍

6-8

運輸包裝

dry ice

儲存溫度

−20°C (−15°C to −25°C)

SMILES 字串

OC[C@H]1O[C@@H](Oc2ccc(cc2Cl)C(=C3/C=CC(=O)C(Cl)=C3)\c4ccccc4S(O)(=O)=O)[C@H](O)[C@@H](O)[C@H]1O

InChI

1S/C25H22Cl2O10S/c26-15-9-12(5-7-17(15)29)21(14-3-1-2-4-20(14)38(33,34)35)13-6-8-18(16(27)10-13)36-25-24(32)23(31)22(30)19(11-28)37-25/h1-10,19,22-25,28,30-32H,11H2,(H,33,34,35)/b21-12-/t19-,22+,23+,24-,25-/m1/s1

InChI 密鑰

YOUWVNCQJOMMEU-AETRGLENSA-N

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一般說明

氯酚红-β-D-吡喃半乳糖苷(CPRG)是一种长波长染料，通常用于比色检测。反应产物呈深红色，可溶于水。可在574或578 nm处用光度法测定。
标签上的化学式代表单钠盐。

應用

CPRG 用作β-半乳糖苷酶测定的底物。
比色法测定细胞提取物中的β-Gal活性和ELISA。

生化／生理作用

氯酚红-β-D-吡喃半乳糖苷（CPRG）可能具有雌激素活性。

品質

污染物：<0.1％氯酚红

序列

CPRG是大约1:1的异构体混合物。

準備報告

工作浓度：5 mM/l
储存条件（工作液）：复溶溶液在2至8℃下可稳定保存一天

儲存和穩定性

粉末需在-15至-25°C下干燥保存；储存液需在2–8°C下避光保存。

其他說明

仅用于生命科学研究。不可用于诊断。

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 1

閃點（°F）

No data available

閃點（°C）

No data available

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We report on a new fluorimetric assay for β-galactosidase (β-gal) and faecal coliform bacteria that utilizes a long-wavelength dye, chlorophenol red-β-D-galactopyranoside (CPRG), that has been widely used for colorimetric assays. The novel feature of this new assay is the unexpected
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