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123218-80-4

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123218-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123218-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,2,1 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 123218-80:
(8*1)+(7*2)+(6*3)+(5*2)+(4*1)+(3*8)+(2*8)+(1*0)=94
94 % 10 = 4
So 123218-80-4 is a valid CAS Registry Number.
InChI:InChI=1/C78H84N8O11/c1-78(2,3)97-77(95)86-67(51-59-41-25-11-26-42-59)75(93)84-65(49-57-37-21-9-22-38-57)73(91)82-63(47-55-33-17-7-18-34-55)71(89)80-61(45-53-29-13-5-14-30-53)69(87)79-62(46-54-31-15-6-16-32-54)70(88)81-64(48-56-35-19-8-20-36-56)72(90)83-66(50-58-39-23-10-24-40-58)74(92)85-68(76(94)96-4)52-60-43-27-12-28-44-60/h5-44,61-68H,45-52H2,1-4H3,(H,79,87)(H,80,89)(H,81,88)(H,82,91)(H,83,90)(H,84,93)(H,85,92)(H,86,95)/t61-,62+,63+,64-,65-,66+,67+,68-/m1/s1

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