8-羟基-5,7-二硝基-2-萘磺酸钠盐

萘酚黄 S

品牌

Sigma-Aldrich

CAS

846-70-8

货号

70540

包装型号

25 G, for microscopy (Hist.), for the precipitation (of amino acids and peptides)
100 G, for microscopy (Hist.), for the precipitation (of amino acids and peptides)

规格纯度

for microscopy (Hist.), for the precipitation (of amino acids and peptides)

参考价格

360.52 元 *本价格含增值税费

促销

数量

产品名称：

846-70-8
Naphthol Yellow S
Flavianic acid sodium salt
5,7-Dinitro-8-hydroxy-2-naphthalenesulfonic acid sodium salt
2,4-Dinitro-1-naphthol-7-sulfonic acid sodium salt
Acid Yellow 1
萘酚黄 S
8-羟基-5,7-二硝基-2-萘磺酸钠盐
酸性黄 1
黄胺酸钠盐
2,4-二硝基-1-萘酚-7-磺酸钠盐

产品介绍：

产品说明

应用

Naphthol yellow S has been used as a staining agent in fixed human embryonic stem cell-derived cardiomyocytes.

生化/生理作用

Naphthol yellow S (NYS) is used as a stain for protein basic groups. It is an acidic dye and forms a NYS-protein complex at acidic pH. Combination of feulgen and NYS provides DNA to protein ratio.

分析说明

λ_max. ∼428 nm/∼392 nm; E(1%,1 cm) ∼275-425/∼250-400 (H₂O)

基本信息

经验(实验)分子式	C₁₀H₄N₂Na₂O₈S
分子量	358.19
颜色索引号	10316
Beilstein	3839220
EC 号	212-690-2
MDL编号	MFCD00003958
PubChem化学物质编号	329762555
NACRES	NA.47

产品性质

质量水平	200
等级	for microscopy (Hist.) for the precipitation (of amino acids and peptides)
形式	powder
溶解性	methanol: water (1:1): 0.5 g/10 mL, clear
ε_max	≥275 at 423-433 nm in water ≥≥ 250 at 387-397 nm in water
application(s)	diagnostic assay manufacturing hematology histology
储存温度	room temp
SMILES string	[Na+].[Na+].[O-]c1c(cc([N+]([O-])=O)c2ccc(cc12)S([O-])(=O)=O)[N+]([O-])=O
InChI	1S/C10H6N2O8S.2Na/c13-10-7-3-5(21(18,19)20)1-2-6(7)8(11(14)15)4-9(10)12(16)17;;/h1-4,13H,(H,18,19,20);;/q;2*+1/p-2
InChI key	CTIQLGJVGNGFEW-UHFFFAOYSA-L

安全信息

象形图
警示用语：	Warning
危险声明	H317 - H373
预防措施声明	P280 - P302 + P352 - P314
危险分类	Skin Sens. 1 - STOT RE 2
储存分类代码	11 - Combustible Solids
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable
个人防护装备	Eyeshields, Gloves, type N95 (US)