12221-31-7 Usage
Properties and Applications
Brilliant blue
Standard
Light Fastness
Persperation Fastness
Ironing Fastness
Soaping
Fading
Stain
Fading
Stain
Fading
Stain
ISO
6
5
5
5
5
5
5
Standard
Light Fastness
Fading
Stain
ISO
6
Check Digit Verification of cas no
The CAS Registry Mumber 12221-31-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,2 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 12221-31:
(7*1)+(6*2)+(5*2)+(4*2)+(3*1)+(2*3)+(1*1)=47
47 % 10 = 7
So 12221-31-7 is a valid CAS Registry Number.