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164416-13-1

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164416-13-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 164416-13-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,4,1 and 6 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 164416-13:
(8*1)+(7*6)+(6*4)+(5*4)+(4*1)+(3*6)+(2*1)+(1*3)=121
121 % 10 = 1
So 164416-13-1 is a valid CAS Registry Number.
InChI:InChI=1/C28H20N4O14S2.4Na/c33-17-9-19(27(37)38)25(21(35)11-17)31-29-15-5-3-13(23(7-15)47(41,42)43)1-2-14-4-6-16(8-24(14)48(44,45)46)30-32-26-20(28(39)40)10-18(34)12-22(26)36;;;;/h1-12,29-30,35-36H,(H,37,38)(H,39,40)(H,41,42,43)(H,44,45,46);;;;/q;4*+1/p-4/b2-1+,31-25-,32-26+;;;;

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