35661-42-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 35661-42-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,6,6 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 35661-42:
(7*3)+(6*5)+(5*6)+(4*6)+(3*1)+(2*4)+(1*2)=118
118 % 10 = 8
So 35661-42-8 is a valid CAS Registry Number.