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胭脂红酸

Carminic acid
产品编号:3423486
CAS NO:1260-17-9
包装规格:1 G,5 G
产品类别:进口试剂
品牌:Sigma-Aldrich
优惠价:立即咨询
产品编号包装单位单价(元)国内现货国外库存询价单
34234861 G3180
34234865 G10510
产品别名

1260-17-9

胭脂红酸

Carminic acid

Natural Red 4

中性红 4

结构式
基本信息
Empirical Formula【经验(实验)分子式】
C22H20O13
Molecular weight
492.39
Colour Index Number【颜色索引号】
75470
Beilstein
71651
EC number【EC 号】
215-023-3
MDL number
MFCD00167028
PubChem Substance ID【PubChem化学物质编号】
24853740
NACRES
NA.47
General description【一般描述】
Carmine is a cochineal product usually furnished as an aluminum and calcium salt of carminic acid. Carminic acid is used for human-medical cell diagnosis and serves the purpose of the histological investigation of sample material of human origin. It is suitable for staining nuclei in histological sections. It is utilized in various staining methods including the procedure for detection of glycogen and mucous substances (Best′s carmine), for nuclear staining, or vital staining.
Application【应用】
Carminic acid (CI 75470) is used in Orth′s lithium carmine technique for nuclear staining, Best′s stain for glycogen, and Southgates′s mucicarmine method.
产品性质
Assay【测定】
≥90% (HPLC)
Quality Level【质量水平】
100
form【形式】
powder
optical activity【旋光性】
[α]20/D +3.1°, c = 1 in H2O
mp
136 ℃
λmax
495 nm
ε (extinction coefficient)
≥13000 at 222-228  nm in ethanol at 0.03 g/L
≥18000 at 275-281 nm in ethanol at 0.03 g/L
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.【储存温度】
room temp
SMILES string
Cc1c(C(O)=O)c(O)cc2C(=O)c3c(O)c(O)c([C@@H]4O[C@H](CO)[C@@H](O)[C@H](O)[C@H]4O)c(O)c3C(=O)c12
InChI
1S/C22H20O13/c1-4-8-5(2-6(24)9(4)22(33)34)13(25)10-11(15(8)27)16(28)12(18(30)17(10)29)21-20(32)19(31)14(26)7(3-23)35-21/h2,7,14,19-21,23-24,26,28-32H,3H2,1H3,(H,33,34)/t7-,14-,19+,20-,21+/m1/s1
InChI key
DGQLVPJVXFOQEV-JNVSTXMASA-N
packaging【包装】
1, 5 g in glass bottle
安全信息
Storage Class Code【储存分类代码】
11 - Combustible Solids
WGK
WGK 2
Personal Protective Equipment【个人防护装备】
Eyeshields, Gloves, type N95 (US)
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