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77517-27-2

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77517-27-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77517-27-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,1 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77517-27:
(7*7)+(6*7)+(5*5)+(4*1)+(3*7)+(2*2)+(1*7)=152
152 % 10 = 2
So 77517-27-2 is a valid CAS Registry Number.
InChI:InChI=1/C40H53NO14/c1-7-40(49)14-13-21-30(36(48)32-31(34(21)46)35(47)29-20(33(32)45)9-8-10-24(29)43)39(40)55-27-15-22(41(5)6)37(18(3)51-27)54-28-16-25(44)38(19(4)52-28)53-26-12-11-23(42)17(2)50-26/h8-10,17-19,22-23,25-28,37-39,42-44,46,48-49H,7,11-16H2,1-6H3/t17-,18-,19-,22-,23-,25-,26-,27-,28-,37+,38+,39+,40+/m0/s1

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