1637483-39-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1637483-39-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,7,4,8 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1637483-39:
(9*1)+(8*6)+(7*3)+(6*7)+(5*4)+(4*8)+(3*3)+(2*3)+(1*9)=196
196 % 10 = 6
So 1637483-39-6 is a valid CAS Registry Number.