887841-56-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 887841-56-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,7,8,4 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 887841-56:
(8*8)+(7*8)+(6*7)+(5*8)+(4*4)+(3*1)+(2*5)+(1*6)=237
237 % 10 = 7
So 887841-56-7 is a valid CAS Registry Number.