215715-83-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 215715-83-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,7,1 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 215715-83:
(8*2)+(7*1)+(6*5)+(5*7)+(4*1)+(3*5)+(2*8)+(1*3)=126
126 % 10 = 6
So 215715-83-6 is a valid CAS Registry Number.