3542-94-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3542-94-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,4 and 2 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3542-94:
(6*3)+(5*5)+(4*4)+(3*2)+(2*9)+(1*4)=87
87 % 10 = 7
So 3542-94-7 is a valid CAS Registry Number.