766527-33-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 766527-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,6,5,2 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 766527-33:
(8*7)+(7*6)+(6*6)+(5*5)+(4*2)+(3*7)+(2*3)+(1*3)=197
197 % 10 = 7
So 766527-33-7 is a valid CAS Registry Number.