947547-55-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 947547-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,7,5,4 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 947547-55:
(8*9)+(7*4)+(6*7)+(5*5)+(4*4)+(3*7)+(2*5)+(1*5)=219
219 % 10 = 9
So 947547-55-9 is a valid CAS Registry Number.