345648-05-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 345648-05-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,5,6,4 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 345648-05:
(8*3)+(7*4)+(6*5)+(5*6)+(4*4)+(3*8)+(2*0)+(1*5)=157
157 % 10 = 7
So 345648-05-7 is a valid CAS Registry Number.