29338-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29338-58-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,3,3 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 29338-58:
(7*2)+(6*9)+(5*3)+(4*3)+(3*8)+(2*5)+(1*8)=137
137 % 10 = 7
So 29338-58-7 is a valid CAS Registry Number.