381237-26-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 381237-26-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,1,2,3 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 381237-26:
(8*3)+(7*8)+(6*1)+(5*2)+(4*3)+(3*7)+(2*2)+(1*6)=139
139 % 10 = 9
So 381237-26-9 is a valid CAS Registry Number.