355841-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 355841-81-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,5,8,4 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 355841-81:
(8*3)+(7*5)+(6*5)+(5*8)+(4*4)+(3*1)+(2*8)+(1*1)=165
165 % 10 = 5
So 355841-81-5 is a valid CAS Registry Number.