644-68-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 644-68-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,4 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 644-68:
(5*6)+(4*4)+(3*4)+(2*6)+(1*8)=78
78 % 10 = 8
So 644-68-8 is a valid CAS Registry Number.
InChI:InChI=1/C11H17NO6/c1-5(2)6(3-12)17-11-10(16)9(15)8(14)7(4-13)18-11/h7-11,13-16H,4H2,1-2H3/t7-,8-,9+,10-,11-/m1/s1