72207-95-5 Usage
General Description
C.I. Direct Black 51 is a synthetic dye used in various industries, including textile, paper, and leather. It is a water-soluble black dye that belongs to the direct dye class, meaning it can be directly applied to the substrate without the need for a mordant. It is commonly used for dyeing cellulose fibers like cotton, viscose, and linen due to its good wash and light fastness properties. This dye is also known for its deep black color and ease of application, making it a popular choice for coloring textiles and other materials. However, it should be handled with care as it may cause skin and eye irritation, and proper safety precautions should be followed when handling and using C.I. Direct Black 51.
Check Digit Verification of cas no
The CAS Registry Mumber 72207-95-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,2,0 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 72207-95:
(7*7)+(6*2)+(5*2)+(4*0)+(3*7)+(2*9)+(1*5)=115
115 % 10 = 5
So 72207-95-5 is a valid CAS Registry Number.
InChI:InChI=1/C27H19N5O8S.2Na/c28-14-6-5-13-11-22(41(38,39)40)24(25(34)17(13)12-14)32-30-19-8-7-18(15-3-1-2-4-16(15)19)29-31-20-9-10-21(33)23(26(20)35)27(36)37;;/h1-12,33-35H,28H2,(H,36,37)(H,38,39,40);;/q;2*+1/p-2
