90348-67-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90348-67-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,3,4 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90348-67:
(7*9)+(6*0)+(5*3)+(4*4)+(3*8)+(2*6)+(1*7)=137
137 % 10 = 7
So 90348-67-7 is a valid CAS Registry Number.