1070990-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1070990-50-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,0,9,9 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1070990-50:
(9*1)+(8*0)+(7*7)+(6*0)+(5*9)+(4*9)+(3*0)+(2*5)+(1*0)=149
149 % 10 = 9
So 1070990-50-9 is a valid CAS Registry Number.