1674-44-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1674-44-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,7 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1674-44:
(6*1)+(5*6)+(4*7)+(3*4)+(2*4)+(1*4)=88
88 % 10 = 8
So 1674-44-8 is a valid CAS Registry Number.
InChI:InChI=1/C30H26O10/c1-7-13-21-19-17-15(25(13)33)11(31)5-30(36)24(17)20-18-16(26(34)14-8(2)38-10(4)28(40-30)22(14)20)12(32)6-29(35,23(18)19)39-27(21)9(3)37-7/h7-10,27-28,33-36H,5-6H2,1-4H3/t7-,8-,9-,10-,27-,28-,29+,30+/m1/s1