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139890-66-7

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139890-66-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139890-66-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,8,9 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 139890-66:
(8*1)+(7*3)+(6*9)+(5*8)+(4*9)+(3*0)+(2*6)+(1*6)=177
177 % 10 = 7
So 139890-66-7 is a valid CAS Registry Number.
InChI:InChI=1/C58H81N11O12/c1-33(2)24-41(63-53(77)45(26-35-12-9-8-10-13-35)66-55(79)48-14-11-23-69(48)56(80)46(29-38-30-60-32-61-38)68-57(81)58(5,6)7)50(74)62-42(25-34(3)4)51(75)64-43(27-36-15-19-39(71)20-16-36)52(76)65-44(28-37-17-21-40(72)22-18-37)54(78)67-47(31-70)49(59)73/h8-10,12-13,15-22,30,32-34,41-48,50,62,70-72,74H,11,14,23-29,31H2,1-7H3,(H2,59,73)(H,60,61)(H,63,77)(H,64,75)(H,65,76)(H,66,79)(H,67,78)(H,68,81)/t41?,42-,43-,44-,45-,46-,47-,48-,50?/m0/s1

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