438049-37-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 438049-37-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,8,0,4 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 438049-37:
(8*4)+(7*3)+(6*8)+(5*0)+(4*4)+(3*9)+(2*3)+(1*7)=157
157 % 10 = 7
So 438049-37-7 is a valid CAS Registry Number.