12331-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12331-76-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,3,3 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 12331-76:
(7*1)+(6*2)+(5*3)+(4*3)+(3*1)+(2*7)+(1*6)=69
69 % 10 = 9
So 12331-76-9 is a valid CAS Registry Number.
InChI:InChI=1/Cr.3K.4O2/c;;;;4*1-2/q+5;3*+1;4*-2