130640-33-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130640-33-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,6,4 and 0 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 130640-33:
(8*1)+(7*3)+(6*0)+(5*6)+(4*4)+(3*0)+(2*3)+(1*3)=84
84 % 10 = 4
So 130640-33-4 is a valid CAS Registry Number.
InChI:InChI=1/C30H19NO8/c1-13-20(28(36)37)27(38-2)15-9-5-3-4-6-11-19-29(13)30(15,39-29)16-12-18(33)22-23(24(16)31-19)26(35)21-14(25(22)34)8-7-10-17(21)32/h3-4,7-8,10,12-13,15,19,31-33H,1-2H3,(H,36,37)/b4-3-