2934-22-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2934-22-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,3 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2934-22:
(6*2)+(5*9)+(4*3)+(3*4)+(2*2)+(1*2)=87
87 % 10 = 7
So 2934-22-7 is a valid CAS Registry Number.