155645-50-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155645-50-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,6,4 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 155645-50:
(8*1)+(7*5)+(6*5)+(5*6)+(4*4)+(3*5)+(2*5)+(1*0)=144
144 % 10 = 4
So 155645-50-4 is a valid CAS Registry Number.
InChI:InChI=1/C35H44N2O8/c1-22(19-31(40)35(42)43)18-27(38)20-23(2)37-34(41)29(21-25-13-15-28(44-4)16-14-25)36-17-9-8-12-30(39)24(3)32-33(45-32)26-10-6-5-7-11-26/h5-11,13-16,19-20,24,29-33,36,39-40H,12,17-18,21H2,1-4H3,(H,37,41)(H,42,43)/b9-8+,22-19+,23-20+/t24-,29+,30-,31?,32+,33+/m0/s1