1380446-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1380446-38-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,0,4,4 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1380446-38:
(9*1)+(8*3)+(7*8)+(6*0)+(5*4)+(4*4)+(3*6)+(2*3)+(1*8)=157
157 % 10 = 7
So 1380446-38-7 is a valid CAS Registry Number.