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139203-13-7

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139203-13-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139203-13-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,0 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 139203-13:
(8*1)+(7*3)+(6*9)+(5*2)+(4*0)+(3*3)+(2*1)+(1*3)=107
107 % 10 = 7
So 139203-13-7 is a valid CAS Registry Number.
InChI:InChI=1/C51H87ClN12O20/c1-4-6-7-8-9-10-11-12-16-33(66)34(67)23-36(69)56-32-25-84-51(83)39(35(68)24-52)63-49(80)40(41(72)50(81)82)64-42(73)27(5-2)57-48(79)38(26(3)65)62-45(76)30(18-21-55)59-43(74)28(15-13-14-19-53)58-46(77)31(22-37(70)71)61-44(75)29(17-20-54)60-47(32)78/h5,26,28-35,38-41,65-68,72H,4,6-25,53-55H2,1-3H3,(H,56,69)(H,57,79)(H,58,77)(H,59,74)(H,60,78)(H,61,75)(H,62,76)(H,63,80)(H,64,73)(H,70,71)(H,81,82)/b27-5-

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