736991-86-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 736991-86-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,6,9,9 and 1 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 736991-86:
(8*7)+(7*3)+(6*6)+(5*9)+(4*9)+(3*1)+(2*8)+(1*6)=219
219 % 10 = 9
So 736991-86-9 is a valid CAS Registry Number.