70158-33-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70158-33-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,1,5 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70158-33:
(7*7)+(6*0)+(5*1)+(4*5)+(3*8)+(2*3)+(1*3)=107
107 % 10 = 7
So 70158-33-7 is a valid CAS Registry Number.