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83753-72-4

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83753-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83753-72-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,7,5 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83753-72:
(7*8)+(6*3)+(5*7)+(4*5)+(3*3)+(2*7)+(1*2)=154
154 % 10 = 4
So 83753-72-4 is a valid CAS Registry Number.
InChI:InChI=1/C41H53NO15/c1-17-24(43)11-12-28(52-17)56-39-19(3)54-30(15-26(39)45)57-38-18(2)53-29(14-23(38)42(5)6)55-27-16-41(4,50)34(40(49)51-7)21-13-22-33(37(48)32(21)27)36(47)31-20(35(22)46)9-8-10-25(31)44/h8-10,13,17-19,23-24,26-30,34,38-39,43-45,48,50H,11-12,14-16H2,1-7H3/t17-,18-,19-,23-,24+,26-,27-,28-,29-,30-,34-,38?,39+,41+/m0/s1

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