77303-12-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77303-12-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,0 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77303-12:
(7*7)+(6*7)+(5*3)+(4*0)+(3*3)+(2*1)+(1*2)=119
119 % 10 = 9
So 77303-12-9 is a valid CAS Registry Number.
InChI:InChI=1/C28H34N6O7/c1-15(29-22(35)16(2)30-27(40)41-28(3,4)5)23(36)32-26(39)21(13-17-9-7-6-8-10-17)31-18-11-12-19-20(14-18)25(38)34-33-24(19)37/h6-12,14-16,21,31H,13H2,1-5H3,(H,29,35)(H,30,40)(H,33,37)(H,34,38)(H,32,36,39)/t15-,16-,21-/m0/s1