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143873-62-5

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143873-62-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143873-62-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,8,7 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 143873-62:
(8*1)+(7*4)+(6*3)+(5*8)+(4*7)+(3*3)+(2*6)+(1*2)=145
145 % 10 = 5
So 143873-62-5 is a valid CAS Registry Number.
InChI:InChI=1/C54H68N8O22S/c1-22(57-48(73)23(2)80-46-42(59-25(4)66)52(79)82-38(21-64)45(46)84-53-41(58-24(3)65)44(71)43(70)37(20-63)83-53)47(72)61-33(14-15-39(55)69)49(74)62-34(51(77)78)7-5-6-16-56-54(85)60-26-8-11-29(32(17-26)50(75)76)40-30-12-9-27(67)18-35(30)81-36-19-28(68)10-13-31(36)40/h8-13,17-19,22-23,33-34,37-38,41-46,52-53,63-64,67,70-71,79H,5-7,14-16,20-21H2,1-4H3,(H2,55,69)(H,57,73)(H,58,65)(H,59,66)(H,61,72)(H,62,74)(H,75,76)(H,77,78)(H2,56,60,85)/t22-,23?,33+,34-,37+,38+,41+,42+,43+,44+,45+,46+,52-,53-/m0/s1

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