1239906-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1239906-38-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,9,0 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1239906-38:
(9*1)+(8*2)+(7*3)+(6*9)+(5*9)+(4*0)+(3*6)+(2*3)+(1*8)=177
177 % 10 = 7
So 1239906-38-7 is a valid CAS Registry Number.