31629-79-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31629-79-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,6,2 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 31629-79:
(7*3)+(6*1)+(5*6)+(4*2)+(3*9)+(2*7)+(1*9)=115
115 % 10 = 5
So 31629-79-5 is a valid CAS Registry Number.
InChI:InChI=1/C36H28O16/c37-14-5-20(39)18-10-25(44)33(50-28(18)7-14)12-1-16-17(34-26(45)11-19-21(40)6-15(38)8-29(19)51-34)9-27(46)35(30(16)32(48)24(43)2-12)52-36(49)13-3-22(41)31(47)23(42)4-13/h1-9,25-26,33-34,37-42,44-47H,10-11H2,(H,43,48)/t25-,26?,33-,34?/m1/s1