77044-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77044-76-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,0,4 and 4 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77044-76:
(7*7)+(6*7)+(5*0)+(4*4)+(3*4)+(2*7)+(1*6)=139
139 % 10 = 9
So 77044-76-9 is a valid CAS Registry Number.
InChI:InChI=1/C25H32N6O6/c1-15(23(27)35)30-25(37)20(12-16-5-3-2-4-6-16)31-22(34)14-28-21(33)13-29-24(36)19(26)11-17-7-9-18(32)10-8-17/h2-10,15,19-20,32H,11-14,26H2,1H3,(H2,27,35)(H,28,33)(H,29,36)(H,30,37)(H,31,34)/t15-,19+,20+/m1/s1