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6683-17-6

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6683-17-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6683-17-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,8 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6683-17:
(6*6)+(5*6)+(4*8)+(3*3)+(2*1)+(1*7)=116
116 % 10 = 6
So 6683-17-6 is a valid CAS Registry Number.
InChI:InChI=1/C51H96N16O14/c1-8-27(4)11-9-10-12-38(71)58-31(13-19-52)46(76)66-40(29(6)69)50(80)63-34(16-22-55)43(73)61-36-18-24-57-49(79)39(28(5)68)65-47(77)35(17-23-56)60-42(72)33(15-21-54)62-51(81)41(30(7)70)67-48(78)37(25-26(2)3)64-44(74)32(14-20-53)59-45(36)75/h26-37,39-41,68-70H,8-25,52-56H2,1-7H3,(H,57,79)(H,58,71)(H,59,75)(H,60,72)(H,61,73)(H,62,81)(H,63,80)(H,64,74)(H,65,77)(H,66,76)(H,67,78)/t27?,28-,29-,30-,31+,32+,33+,34+,35+,36+,37-,39+,40+,41+/m1/s1

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