26847-42-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26847-42-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,8,4 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 26847-42:
(7*2)+(6*6)+(5*8)+(4*4)+(3*7)+(2*4)+(1*2)=137
137 % 10 = 7
So 26847-42-7 is a valid CAS Registry Number.