156243-37-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156243-37-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,2,4 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 156243-37:
(8*1)+(7*5)+(6*6)+(5*2)+(4*4)+(3*3)+(2*3)+(1*7)=127
127 % 10 = 7
So 156243-37-7 is a valid CAS Registry Number.