12653-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12653-77-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,6,5 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 12653-77:
(7*1)+(6*2)+(5*6)+(4*5)+(3*3)+(2*7)+(1*7)=99
99 % 10 = 9
So 12653-77-9 is a valid CAS Registry Number.
InChI:InChI=1/B.Nb/rBNb/c1-2