155641-27-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155641-27-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,6,4 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 155641-27:
(8*1)+(7*5)+(6*5)+(5*6)+(4*4)+(3*1)+(2*2)+(1*7)=133
133 % 10 = 3
So 155641-27-3 is a valid CAS Registry Number.