874448-90-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 874448-90-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,4,4 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 874448-90:
(8*8)+(7*7)+(6*4)+(5*4)+(4*4)+(3*8)+(2*9)+(1*0)=215
215 % 10 = 5
So 874448-90-5 is a valid CAS Registry Number.
InChI:InChI=1/C39H44N4O12/c1-7-20-19(6)36(50)43-27(20)14-25-18(5)23(10-12-31(46)54-39-34(49)32(47)33(48)35(55-39)38(52)53)29(41-25)15-28-22(9-11-30(44)45)17(4)24(40-28)13-26-16(3)21(8-2)37(51)42-26/h7-8,13-14,28,32-35,39,41,47-49H,1-2,9-12,15H2,3-6H3,(H,42,51)(H,43,50)(H,44,45)(H,52,53)/b26-13+,27-14-/t28?,32-,33-,34-,35?,39+/m1/s1