155688-82-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155688-82-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,6,8 and 8 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 155688-82:
(8*1)+(7*5)+(6*5)+(5*6)+(4*8)+(3*8)+(2*8)+(1*2)=177
177 % 10 = 7
So 155688-82-7 is a valid CAS Registry Number.