176739-80-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 176739-80-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,7,3 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 176739-80:
(8*1)+(7*7)+(6*6)+(5*7)+(4*3)+(3*9)+(2*8)+(1*0)=183
183 % 10 = 3
So 176739-80-3 is a valid CAS Registry Number.
InChI:InChI=1/C36H32O15/c37-13-27-31(44)32(45)33(46)35(49-27)47-17-8-21(41)28-18-12-36(50-25(28)9-17,15-3-6-19(39)20(40)7-15)51-26-11-23(43)30-22(42)10-24(48-34(30)29(18)26)14-1-4-16(38)5-2-14/h1-9,11,18,24,27,31-33,35,37-41,43-46H,10,12-13H2/t18-,24?,27+,31+,32-,33+,35+,36-/m0/s1