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1144555-46-3

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1144555-46-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1144555-46-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,4,5,5 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1144555-46:
(9*1)+(8*1)+(7*4)+(6*4)+(5*5)+(4*5)+(3*5)+(2*4)+(1*6)=143
143 % 10 = 3
So 1144555-46-3 is a valid CAS Registry Number.

1144555-46-3Upstream product

1144555-46-3Relevant academic research and scientific papers

Synthesis of a pyridine-fused porphyrinoid: Oxopyridochlorin

Tokuji, Sumito,Takahashi, Yuji,Shinmori, Hideyuki,Shinokubo, Hiroshi,Osuka, Atsuhiro

, p. 1028 - 1030 (2009)

The treatment of 3,5-dibenzoylporphyrins with ammonium acetate provided novel oxopyridochlorins as the first examples of pyridine-fused porphyrinoids, which displayed absorption bands reaching into the near IR region and an ability to sensitize singlet ox

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