1378839-26-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1378839-26-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,8,8,3 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1378839-26:
(9*1)+(8*3)+(7*7)+(6*8)+(5*8)+(4*3)+(3*9)+(2*2)+(1*6)=219
219 % 10 = 9
So 1378839-26-9 is a valid CAS Registry Number.