77754-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77754-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,7,5 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77754-99:
(7*7)+(6*7)+(5*7)+(4*5)+(3*4)+(2*9)+(1*9)=185
185 % 10 = 5
So 77754-99-5 is a valid CAS Registry Number.
InChI:InChI=1/C20H22N2O3.C3H4N2/c1-11-15-9-22-7-6-13-12-4-2-3-5-17(12)21-19(13)18(22)8-14(15)16(10-25-11)20(23)24;1-2-5-3-4-1/h2-5,10-11,14-15,18,21H,6-9H2,1H3,(H,23,24);1-3H,(H,4,5)/t11-,14-,15-,18-;/m0./s1