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108906-53-2

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108906-53-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108906-53-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,9,0 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 108906-53:
(8*1)+(7*0)+(6*8)+(5*9)+(4*0)+(3*6)+(2*5)+(1*3)=132
132 % 10 = 2
So 108906-53-2 is a valid CAS Registry Number.
InChI:InChI=1/C102H74O65/c103-33-1-21(2-34(104)59(33)117)88(136)162-82-79-51(156-100(148)85(82)165-91(139)24-7-39(109)62(120)40(110)8-24)19-152-94(142)30-16-48(69(127)75(133)57(30)55-28(97(145)159-79)13-44(114)66(124)73(55)131)154-47-10-25(9-41(111)63(47)121)92(140)166-86-83(163-89(137)22-3-35(105)60(118)36(106)4-22)80-52(157-101(86)149)20-153-95(143)31-17-49(70(128)76(134)58(31)56-29(98(146)160-80)14-45(115)67(125)74(56)132)155-78-32(15-46(116)68(126)77(78)135)99(147)167-87-84(164-90(138)23-5-37(107)61(119)38(108)6-23)81-50(158-102(87)150)18-151-93(141)26-11-42(112)64(122)71(129)53(26)54-27(96(144)161-81)12-43(113)65(123)72(54)130/h1-17,50-52,79-87,100-135,148-150H,18-20H2/t50-,51?,52-,79-,80-,81-,82+,83+,84+,85-,86-,87-,100?,101?,102?/m1/s1

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