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137422-97-0

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137422-97-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137422-97-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,4,2 and 2 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 137422-97:
(8*1)+(7*3)+(6*7)+(5*4)+(4*2)+(3*2)+(2*9)+(1*7)=130
130 % 10 = 0
So 137422-97-0 is a valid CAS Registry Number.
InChI:InChI=1/C109H76O70/c110-18-55(91(174-96(150)23-1-36(112)64(128)37(113)2-23)89-50(126)20-163-100(154)27-9-44(120)68(132)77(141)58(27)59-28(103(157)172-89)10-45(121)69(133)78(59)142)169-106(160)33-12-47(123)71(135)83(147)86(33)166-52-15-30-62(81(145)75(52)139)63-32-17-54(76(140)82(63)146)168-88-35(14-49(125)73(137)85(88)149)108(162)178-95-94(177-98(152)25-5-40(116)66(130)41(117)6-25)93-57(171-109(95)179-99(153)26-7-42(118)67(131)43(119)8-26)22-165-102(156)31-16-53(74(138)80(144)61(31)60-29(104(158)176-93)11-46(122)70(134)79(60)143)167-87-34(13-48(124)72(136)84(87)148)107(161)170-56(19-111)92(90(173-105(32)159)51(127)21-164-101(30)155)175-97(151)24-3-38(114)65(129)39(115)4-24/h1-19,50-51,55-57,89-95,109,112-149H,20-22H2

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