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68949-51-9

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68949-51-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68949-51-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,9,4 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 68949-51:
(7*6)+(6*8)+(5*9)+(4*4)+(3*9)+(2*5)+(1*1)=189
189 % 10 = 9
So 68949-51-9 is a valid CAS Registry Number.

68949-51-9Downstream Products

68949-51-9Relevant articles and documents

Structural characterisation of the first mononuclear bismuth porphyrin

Boitrel, Bernard,Halime, Zakaria,Michaudet, Lydie,Lachkar, Mohamed,Toupet, Loic

, p. 2670 - 2671 (2007/10/03)

A single carboxylate picket bismuth porphyrin has been characterised in the solid state as the first instance of a non-dimeric structure; the carboxylate picket, bent over the macrocycle, is coordinated to the bismuth, inducing a significant distortion of

PORPHYRINS AND THEIR DERIVATIVES. I. SYNTHESIS AND CHARACTERISTICS OF STERICALLY SCREENED PORPHYRINS

Bogat-skii, A. V.,Zhilina, Z. I.,Krasnoshchekaya, S. P.,Zakharova, R. M.

, p. 2035 - 2039 (2007/10/02)

meso-Tetra(o-nitrophenyl)porphyrin was obtained by the acid condensation of o-nitrobenzaldehyde and pyrrole, and its reduction with stannous chloride led to meso-tetra(o-aminophenyl)porphyrin.The α,α,α,α-isomer of meso-tetra(o-aminophenyl)porphyrin was is

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