77907-38-1 Usage
Preparation
CAS Registry Number:77907-38-1
2,4-Diaminobenzenesulfonic acid diazo, and 2,5-Bichloro-4-(3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling, and 2,4,6-Trichloro-1,3,5-triazine condensation,the product (2 moles) and then with 1,2-Bis(4-amino-2-sulfophenyl)ethene?(1 mol) of condensed
Properties and Applications
Brilliant green yellow. Golden yellow powder. Soluble in water. For cellulosic fibers and their blends dyeing
Standard
Light Fastness
Oxygen bleaching
Persperation Fastness
Soaping
Fading
Stain
Fading
Stain
Fading
Stain
ISO
4-5
4(acid)
4-5(alkaline)
5
3-4
4
5
Standard
Light Fastness
Fading
Stain
ISO
4-5
Check Digit Verification of cas no
The CAS Registry Mumber 77907-38-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,0 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77907-38:
(7*7)+(6*7)+(5*9)+(4*0)+(3*7)+(2*3)+(1*8)=171
171 % 10 = 1
So 77907-38-1 is a valid CAS Registry Number.