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159440-09-2

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159440-09-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159440-09-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,4,4 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 159440-09:
(8*1)+(7*5)+(6*9)+(5*4)+(4*4)+(3*0)+(2*0)+(1*9)=142
142 % 10 = 2
So 159440-09-2 is a valid CAS Registry Number.
InChI:InChI=1/C81H130N5O16P/c1-9-11-13-15-17-19-21-23-25-27-29-31-36-44-73(87)97-59-69(101-74(88)45-37-32-30-28-26-24-22-20-18-16-14-12-10-2)60-100-103(95,96)99-53-50-82-78(91)75(63(7)8)85-77(90)72(54-61(3)4)102-80(93)67-48-51-86(52-49-67)79(92)71(57-65-46-47-66-42-38-39-43-68(66)55-65)83-76(89)70(56-64-40-34-33-35-41-64)84-81(94)98-58-62(5)6/h33-35,38-43,46-47,55,61-63,67,69-72,75H,9-32,36-37,44-45,48-54,56-60H2,1-8H3,(H,82,91)(H,83,89)(H,84,94)(H,85,90)(H,95,96)/t69?,70-,71+,72-,75-/m0/s1

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