155919-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155919-39-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,9,1 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 155919-39:
(8*1)+(7*5)+(6*5)+(5*9)+(4*1)+(3*9)+(2*3)+(1*9)=164
164 % 10 = 4
So 155919-39-4 is a valid CAS Registry Number.
InChI:InChI=1/C34H40N6O6/c35-15-3-7-29(39-31(42)27(36)20-22-10-13-26(41)14-11-22)34(45)46-18-16-38-32(43)30-8-4-17-40(30)33(44)28(37)21-23-9-12-24-5-1-2-6-25(24)19-23/h1-3,5-6,9-16,18-19,27-30,41H,4,7-8,17,20-21,35-37H2,(H,38,43)(H,39,42)/b15-3-,18-16-/t27-,28-,29+,30+/m0/s1