134638-92-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134638-92-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,6,3 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 134638-92:
(8*1)+(7*3)+(6*4)+(5*6)+(4*3)+(3*8)+(2*9)+(1*2)=139
139 % 10 = 9
So 134638-92-9 is a valid CAS Registry Number.