857011-33-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857011-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,0,1 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 857011-33:
(8*8)+(7*5)+(6*7)+(5*0)+(4*1)+(3*1)+(2*3)+(1*3)=157
157 % 10 = 7
So 857011-33-7 is a valid CAS Registry Number.