850638-61-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 850638-61-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,6,3 and 8 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 850638-61:
(8*8)+(7*5)+(6*0)+(5*6)+(4*3)+(3*8)+(2*6)+(1*1)=178
178 % 10 = 8
So 850638-61-8 is a valid CAS Registry Number.