71819-77-7 Usage
TEST ITEMS
SPECIFICATION
APPEARANCE
RED POWDER
SHADE
BLUISH
HEAT RESISTANCE
300 °C min
LIGHT FASTNESS
8
ACID RESISTANCE
5
ALKALI RESISTANCE
5
FASTNESS TO BLEEDING
5
SPECIFIC SURFACE
28 m
2
/g
DENSITY
1.60 g/cm
3
RESIDUE ON 80 MESH
5.0% max
WATER SOLUBLE
1.0% max
VOLATITE 105 °C
1.0% max
TINTING STRENGTH
100-105 %
Check Digit Verification of cas no
The CAS Registry Mumber 71819-77-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,1 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 71819-77:
(7*7)+(6*1)+(5*8)+(4*1)+(3*9)+(2*7)+(1*7)=147
147 % 10 = 7
So 71819-77-7 is a valid CAS Registry Number.