3504-15-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3504-15-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,0 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3504-15:
(6*3)+(5*5)+(4*0)+(3*4)+(2*1)+(1*5)=62
62 % 10 = 2
So 3504-15-2 is a valid CAS Registry Number.
InChI:InChI=1/C27H35N6O25P3/c34-11-1-4-31(24(41)28-11)21-17(40)16(39)20(55-21)27(58-61(50,51)52,7-9-14(37)18(56-59(44,45)46)22(53-9)32-5-2-12(35)29-25(32)42)8-10-15(38)19(57-60(47,48)49)23(54-10)33-6-3-13(36)30-26(33)43/h1-6,9-10,14-23,37-40H,7-8H2,(H,28,34,41)(H,29,35,42)(H,30,36,43)(H2,44,45,46)(H2,47,48,49)(H2,50,51,52)/t9-,10-,14-,15-,16+,17-,18-,19-,20+,21-,22-,23-/m1/s1