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萘酚黄S,Naphthol Yellow S [NYS];for microscopy (Hist.), for the precipitation (of amino acids and peptides)

别名: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;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

Empirical Formula (Hill Notation): C10H4N2Na2O8S CAS号: 846-70-8 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
制造商品牌: 西格玛 Sigma-Aldrich
货号(SKU): 70540
CAS号: 846-70-8
MDL号: MFCD00003958
增值税发票 √ 免费送货 √ 订货电话:010-68689484
3 408,30 ₽

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

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

属性

质量水平

200

等级

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

形式

powder

应用

hematology: suitable
histology: suitable

溶解性

methanol: water (1:1): 0.5 g/10 mL, clear

εmax

≥275 at 423-433 nm in water
≥≥ 250 at 387-397 nm in water

特色行业

Diagnostic Assay Manufacturing

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

Exclamation markHealth hazard

警示用语:

Warning

危险声明

预防措施声明

Hazard Classifications

Skin Sens. 1 - STOT RE 2

Storage Class Code

11 - Combustible Solids

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 ≥ 60 | 欧洲Eur. ≥ 21 | 東京Tokyo ≥ 5 | 香港与北京 ≥ 10