25305-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25305-87-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,3,0 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 25305-87:
(7*2)+(6*5)+(5*3)+(4*0)+(3*5)+(2*8)+(1*7)=97
97 % 10 = 7
So 25305-87-7 is a valid CAS Registry Number.
InChI:InChI=1/C43H49N3O6S2/c1-7-44(8-2)36-19-17-35(18-20-36)43(41-23-21-37(25-31(41)5)45(9-3)29-33-13-11-15-39(27-33)53(47,48)49)42-24-22-38(26-32(42)6)46(10-4)30-34-14-12-16-40(28-34)54(50,51)52/h11-28H,7-10,29-30H2,1-6H3,(H-,47,48,49,50,51,52)