Carminic acid,

Code: 229253-1G D2-231

Application

Carminic acid (CI 75470) is used in Orth’;s lithium carmine technique for nuclear staining, Best’;s stain for glycogen, and Southgates’;s muc...


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€112.00 1G
€137.76 inc. VAT
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Application

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.

General description

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.

Packaging

1, 5 g in glass bottle

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
λmax495 nm
application(s)diagnostic assay manufacturinghematologyhistology
assay≥90% (HPLC)
formpowder
InChI keyDGQLVPJVXFOQEV-JNVSTXMASA-N
InChI1S/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
mp136 °C
optical activity[α]20/D +3.1°, c = 1 in H2O
Quality Level100
SMILES stringCc1c(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
storage temp.room temp
Cas Number1260-17-9
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