1856-98-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1856-98-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,5 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1856-98:
(6*1)+(5*8)+(4*5)+(3*6)+(2*9)+(1*8)=110
110 % 10 = 0
So 1856-98-0 is a valid CAS Registry Number.
InChI:InChI=1/C33H42N4O6/c1-7-20-19(6)32(42)37-27(20)14-25-18(5)23(10-12-31(40)41)29(35-25)15-28-22(9-11-30(38)39)17(4)24(34-28)13-26-16(3)21(8-2)33(43)36-26/h15,26-27,35H,7-14H2,1-6H3,(H,36,43)(H,37,42)(H,38,39)(H,40,41)/b28-15-/t26-,27-/m0/s1