188348-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188348-50-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,3,4 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 188348-50:
(8*1)+(7*8)+(6*8)+(5*3)+(4*4)+(3*8)+(2*5)+(1*0)=177
177 % 10 = 7
So 188348-50-7 is a valid CAS Registry Number.