2668-07-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2668-07-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,6 and 8 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2668-07:
(6*2)+(5*6)+(4*6)+(3*8)+(2*0)+(1*7)=97
97 % 10 = 7
So 2668-07-7 is a valid CAS Registry Number.
InChI:InChI=1/C21H27N8O14P2/c22-17-12-18(25-7-24-17)29(8-26-12)21-16(33)14(31)11(42-21)6-40-45(37,38)43-44(35,36)39-5-10-13(30)15(32)20(41-10)28-3-1-9(2-4-28)19(34)27-23/h1-4,7-8,10-11,13-16,20-21,23,30-31,33H,5-6H2,(H5,22,24,25,34,35,36,37,38)/q-1/p+1/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1