1542229-61-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1542229-61-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,4,2,2,2 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1542229-61:
(9*1)+(8*5)+(7*4)+(6*2)+(5*2)+(4*2)+(3*9)+(2*6)+(1*1)=147
147 % 10 = 7
So 1542229-61-7 is a valid CAS Registry Number.