153881-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 153881-56-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,8,8 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 153881-56:
(8*1)+(7*5)+(6*3)+(5*8)+(4*8)+(3*1)+(2*5)+(1*6)=152
152 % 10 = 2
So 153881-56-2 is a valid CAS Registry Number.
InChI:InChI=1/C23H26Cl2N2O2/c1-26(22(29)14-15-7-9-18(24)19(25)13-15)23-17-5-4-6-21(28)16(17)8-10-20(23)27-11-2-3-12-27/h4-7,9,13,20,23,28H,2-3,8,10-12,14H2,1H3/t20-,23-/m1/s1