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121637-29-4

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121637-29-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121637-29-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,6,3 and 7 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 121637-29:
(8*1)+(7*2)+(6*1)+(5*6)+(4*3)+(3*7)+(2*2)+(1*9)=104
104 % 10 = 4
So 121637-29-4 is a valid CAS Registry Number.
InChI:InChI=1/C54H78N12O18S/c1-7-27(4)44(54(83)84)64-41(72)21-57-47(76)37(19-31-20-56-35-11-9-8-10-33(31)35)60-48(77)36(16-17-42(73)74)59-49(78)38(22-67)62-52(81)43(26(2)3)65-50(79)39(23-68)61-51(80)40(24-85-25-58-29(6)70)63-53(82)45(28(5)69)66-46(75)34(55)18-30-12-14-32(71)15-13-30/h8-15,20,26-28,34,36-40,43-45,56,67-69,71H,7,16-19,21-25,55H2,1-6H3,(H,57,76)(H,58,70)(H,59,78)(H,60,77)(H,61,80)(H,62,81)(H,63,82)(H,64,72)(H,65,79)(H,66,75)(H,73,74)(H,83,84)/t27-,28+,34-,36-,37-,38-,39-,40-,43-,44-,45-/m0/s1

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