61925-55-1 Usage
General Description
Fast Red B Salt, also known as 1,5-naphthalenedisulfonate, is a red dye commonly used in histological staining and microscopy. It is a water-soluble compound that serves as a pH indicator and is commonly used in the colorimetric detection of enzyme activity in tissues and cells. In addition to its role in histology, Fast Red B Salt is also used as a dye in the textile industry and as a colorant in various plastic and rubber products. Its bright red color and water solubility make it a versatile and widely used chemical across a range of industries and applications.
Check Digit Verification of cas no
The CAS Registry Mumber 61925-55-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,9,2 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 61925-55:
(7*6)+(6*1)+(5*9)+(4*2)+(3*5)+(2*5)+(1*5)=131
131 % 10 = 1
So 61925-55-1 is a valid CAS Registry Number.
InChI:InChI=1/C10H8O6S2.2C7H6N3O3/c11-17(12,13)9-5-1-3-7-8(9)4-2-6-10(7)18(14,15)16;2*1-13-7-4-5(10(11)12)2-3-6(7)9-8/h1-6H,(H,11,12,13)(H,14,15,16);2*2-4H,1H3/q;2*+1/p-2