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127761-72-2

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127761-72-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127761-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,7,6 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 127761-72:
(8*1)+(7*2)+(6*7)+(5*7)+(4*6)+(3*1)+(2*7)+(1*2)=142
142 % 10 = 2
So 127761-72-2 is a valid CAS Registry Number.
InChI:InChI=1/C68H88FN13O27/c1-5-35(4)58(67(103)80-25-9-12-49(80)66(102)75-43(19-23-55(89)90)60(96)72-42(18-22-54(87)88)61(97)76-46(28-37-13-15-39(83)16-14-37)64(100)78-48(68(104)105)26-34(2)3)79-62(98)44(20-24-56(91)92)73-59(95)41(17-21-53(85)86)74-63(99)45(27-36-10-7-6-8-11-36)77-65(101)47(30-57(93)94)71-52(84)33-70-32-38-29-40(69)51(82(108)109)31-50(38)81(106)107/h6-8,10-11,13-16,29,31,34-35,41-49,58,70,83H,5,9,12,17-28,30,32-33H2,1-4H3,(H,71,84)(H,72,96)(H,73,95)(H,74,99)(H,75,102)(H,76,97)(H,77,101)(H,78,100)(H,79,98)(H,85,86)(H,87,88)(H,89,90)(H,91,92)(H,93,94)(H,104,105)/t35-,41-,42-,43-,44-,45-,46-,47-,48-,49-,58-/m0/s1

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