187335-57-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187335-57-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,3,3 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 187335-57:
(8*1)+(7*8)+(6*7)+(5*3)+(4*3)+(3*5)+(2*5)+(1*7)=165
165 % 10 = 5
So 187335-57-5 is a valid CAS Registry Number.