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1228540-49-5

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1228540-49-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1228540-49-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,8,5,4 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1228540-49:
(9*1)+(8*2)+(7*2)+(6*8)+(5*5)+(4*4)+(3*0)+(2*4)+(1*9)=145
145 % 10 = 5
So 1228540-49-5 is a valid CAS Registry Number.

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