1586777-54-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1586777-54-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,6,7,7 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1586777-54:
(9*1)+(8*5)+(7*8)+(6*6)+(5*7)+(4*7)+(3*7)+(2*5)+(1*4)=239
239 % 10 = 9
So 1586777-54-9 is a valid CAS Registry Number.