128988-53-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128988-53-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,8 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 128988-53:
(8*1)+(7*2)+(6*8)+(5*9)+(4*8)+(3*8)+(2*5)+(1*3)=184
184 % 10 = 4
So 128988-53-4 is a valid CAS Registry Number.
InChI:InChI=1/C39H50O20/c1-14(2)5-10-18-20(54-37-30(49)28(47)25(44)21(12-40)55-37)11-19(42)23-27(46)36(33(57-34(18)23)16-6-8-17(52-4)9-7-16)59-39-32(51)35(24(43)15(3)53-39)58-38-31(50)29(48)26(45)22(13-41)56-38/h5-9,11,15,21-22,24-26,28-32,35,37-45,47-51H,10,12-13H2,1-4H3/t15-,21+,22+,24-,25+,26-,28-,29-,30+,31+,32+,35+,37+,38-,39-/m0/s1