1280736-75-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1280736-75-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,0,7,3 and 6 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1280736-75:
(9*1)+(8*2)+(7*8)+(6*0)+(5*7)+(4*3)+(3*6)+(2*7)+(1*5)=165
165 % 10 = 5
So 1280736-75-5 is a valid CAS Registry Number.