1238437-27-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1238437-27-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,8,4,3 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1238437-27:
(9*1)+(8*2)+(7*3)+(6*8)+(5*4)+(4*3)+(3*7)+(2*2)+(1*7)=158
158 % 10 = 8
So 1238437-27-8 is a valid CAS Registry Number.