936642-42-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 936642-42-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,6,6,4 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 936642-42:
(8*9)+(7*3)+(6*6)+(5*6)+(4*4)+(3*2)+(2*4)+(1*2)=191
191 % 10 = 1
So 936642-42-1 is a valid CAS Registry Number.