1397746-47-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1397746-47-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,7,7,4 and 6 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1397746-47:
(9*1)+(8*3)+(7*9)+(6*7)+(5*7)+(4*4)+(3*6)+(2*4)+(1*7)=222
222 % 10 = 2
So 1397746-47-2 is a valid CAS Registry Number.