385404-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 385404-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,5,4,0 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 385404-55:
(8*3)+(7*8)+(6*5)+(5*4)+(4*0)+(3*4)+(2*5)+(1*5)=157
157 % 10 = 7
So 385404-55-7 is a valid CAS Registry Number.