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75139-05-8

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75139-05-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75139-05-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,1,3 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 75139-05:
(7*7)+(6*5)+(5*1)+(4*3)+(3*9)+(2*0)+(1*5)=128
128 % 10 = 8
So 75139-05-8 is a valid CAS Registry Number.
InChI:InChI=1/C35H54O8.Na/c1-19-9-8-10-25(30(19)23(5)32(38)31-28(37)18-41-35(31)39)16-26(17-36)34-21(3)12-14-27(42-34)13-11-20(2)33-22(4)15-29(43-33)24(6)40-7;/h11,13,16,19-25,27,29-30,33-34,36-37H,8-10,12,14-15,17-18H2,1-7H3;/q;+1/p-1/b13-11+,26-16+;/t19-,20+,21-,22+,23+,24+,25-,27-,29-,30-,33+,34-;/m1./s1

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