1622-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1622-67-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,2 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1622-67:
(6*1)+(5*6)+(4*2)+(3*2)+(2*6)+(1*7)=69
69 % 10 = 9
So 1622-67-9 is a valid CAS Registry Number.
InChI:InChI=1/C12H17NO3/c1-7(2)12-15-5-9-4-13-8(3)11(14)10(9)6-16-12/h4,7,12,14H,5-6H2,1-3H3