1212151-94-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212151-94-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,1,5 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1212151-94:
(9*1)+(8*2)+(7*1)+(6*2)+(5*1)+(4*5)+(3*1)+(2*9)+(1*4)=94
94 % 10 = 4
So 1212151-94-4 is a valid CAS Registry Number.