1438527-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1438527-99-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,8,5,2 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1438527-99:
(9*1)+(8*4)+(7*3)+(6*8)+(5*5)+(4*2)+(3*7)+(2*9)+(1*9)=191
191 % 10 = 1
So 1438527-99-1 is a valid CAS Registry Number.