189508-31-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189508-31-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,5,0 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 189508-31:
(8*1)+(7*8)+(6*9)+(5*5)+(4*0)+(3*8)+(2*3)+(1*1)=174
174 % 10 = 4
So 189508-31-4 is a valid CAS Registry Number.
InChI:InChI=1/C37H68O4/c1-3-4-5-6-7-8-9-10-11-15-18-21-24-27-30-35(38)36(39)31-28-25-22-19-16-13-12-14-17-20-23-26-29-34-32-33(2)41-37(34)40/h21,24,32-33,35-36,38-39H,3-20,22-23,25-31H2,1-2H3/b24-21-/t33?,35-,36-/m1/s1