1692895-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1692895-54-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,9,2,8,9 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1692895-54:
(9*1)+(8*6)+(7*9)+(6*2)+(5*8)+(4*9)+(3*5)+(2*5)+(1*4)=237
237 % 10 = 7
So 1692895-54-7 is a valid CAS Registry Number.