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76804-44-9

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76804-44-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76804-44-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,8,0 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 76804-44:
(7*7)+(6*6)+(5*8)+(4*0)+(3*4)+(2*4)+(1*4)=149
149 % 10 = 9
So 76804-44-9 is a valid CAS Registry Number.

76804-44-9Downstream Products

76804-44-9Relevant articles and documents

Polycyclen vom Triangulen-Typ, II. Dreifach ortho-verbrueckte Triphenylmethan-Derivate

Hellwinkel, Dieter,Aulmich, Gerhard,Melan, Michael

, p. 86 - 108 (2007/10/02)

The syntheses of the new polycyclic systems 12,12c-dihydro-4,4,8,8,12,12-hexamethyl-4H,8H-dibenzopyrene (8), 11,11c-dihydro-7,7,11,11-tetramethyl-7H-naphthaceanthrylene (43), and 9,13b-dihydro-5,5,9,9-tetramethyl-1,13-ethano-5H-naphthanthracene (44) are reported.The spectroscopic data are in accordance with a pyramidal C3v-structure for 8, a similar Cs-structure for 43, and a flexible, helical C1-structure for 44.Furthermore, 8 can be transformed into its rapidly inverting pyramidal anion 11 and into its cation 9 which most probably is planar.

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