87768-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87768-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,6 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 87768-72:
(7*8)+(6*7)+(5*7)+(4*6)+(3*8)+(2*7)+(1*2)=197
197 % 10 = 7
So 87768-72-7 is a valid CAS Registry Number.
InChI:InChI=1/C10H16N4O5/c1-5(11)9(17)14-6(10(18)19)4-13-8(16)3-2-7(12)15/h2-3,5-6H,4,11H2,1H3,(H2,12,15)(H,13,16)(H,14,17)(H,18,19)/b3-2+/t5-,6-/m0/s1