337917-87-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 337917-87-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,7,9,1 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 337917-87:
(8*3)+(7*3)+(6*7)+(5*9)+(4*1)+(3*7)+(2*8)+(1*7)=180
180 % 10 = 0
So 337917-87-0 is a valid CAS Registry Number.