61931-83-7 Usage
Preparation
2-Amino-4-methyl-6-nitrophenol diazotization, and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling.
Properties and Applications
red.
Standard
Ironing Fastness
Light Fastness
Fulling
Persperation Fastness
Soaping
Water
Alkali
Acid
ISO
6-7
4
4
5
5
Standard
Ironing Fastness
Alkali
Acid
Check Digit Verification of cas no
The CAS Registry Mumber 61931-83-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,9,3 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 61931-83:
(7*6)+(6*1)+(5*9)+(4*3)+(3*1)+(2*8)+(1*3)=127
127 % 10 = 7
So 61931-83-7 is a valid CAS Registry Number.
InChI:InChI=1/C17H15N5O7S.Na/c1-9-7-13(16(23)14(8-9)22(25)26)18-19-15-10(2)20-21(17(15)24)11-3-5-12(6-4-11)30(27,28)29;/h3-8,15,19H,1-2H3,(H,27,28,29);/q;+1/p-1/b18-13+;