56900-37-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56900-37-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,9,0 and 0 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 56900-37:
(7*5)+(6*6)+(5*9)+(4*0)+(3*0)+(2*3)+(1*7)=129
129 % 10 = 9
So 56900-37-9 is a valid CAS Registry Number.