370889-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 370889-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,0,8,8 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 370889-55:
(8*3)+(7*7)+(6*0)+(5*8)+(4*8)+(3*9)+(2*5)+(1*5)=187
187 % 10 = 7
So 370889-55-7 is a valid CAS Registry Number.