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105520-56-7

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105520-56-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105520-56-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,5,2 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 105520-56:
(8*1)+(7*0)+(6*5)+(5*5)+(4*2)+(3*0)+(2*5)+(1*6)=87
87 % 10 = 7
So 105520-56-7 is a valid CAS Registry Number.
InChI:InChI=1/C65H88N18O22S2/c1-106-26-24-44(61(98)77-41(13-8-25-72-65(69)70)58(95)80-45(55(68)92)27-35-9-4-2-5-10-35)79-63(100)48(30-38-32-71-34-74-38)75-51(85)33-73-57(94)46(29-37-14-16-39(17-15-37)105-107(102,103)104)81-64(101)49(31-54(90)91)83-60(97)43(20-23-53(88)89)78-62(99)47(28-36-11-6-3-7-12-36)82-59(96)42(19-21-50(67)84)76-56(93)40(66)18-22-52(86)87/h2-7,9-12,14-17,32,34,40-49H,8,13,18-31,33,66H2,1H3,(H2,67,84)(H2,68,92)(H,71,74)(H,73,94)(H,75,85)(H,76,93)(H,77,98)(H,78,99)(H,79,100)(H,80,95)(H,81,101)(H,82,96)(H,83,97)(H,86,87)(H,88,89)(H,90,91)(H4,69,70,72)(H,102,103,104)/t40-,41-,42-,43-,44-,45-,46-,47-,48-,49-/m0/s1

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