1306739-55-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1306739-55-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,6,7,3 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1306739-55:
(9*1)+(8*3)+(7*0)+(6*6)+(5*7)+(4*3)+(3*9)+(2*5)+(1*5)=158
158 % 10 = 8
So 1306739-55-8 is a valid CAS Registry Number.