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195388-62-6

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195388-62-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 195388-62-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,3,8 and 8 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 195388-62:
(8*1)+(7*9)+(6*5)+(5*3)+(4*8)+(3*8)+(2*6)+(1*2)=186
186 % 10 = 6
So 195388-62-6 is a valid CAS Registry Number.

195388-62-6Downstream Products

195388-62-6Relevant articles and documents

Porphyrin architectures constructed by CH...π interactions: Synthesis and crystal structures of 5,10,15,20-tetrakis(4-methylchalcogenophenyl)-21H,23H-porphyrins

Sugiura, Ken-Ichi,Ushiroda, Kantaro,Tanaka, Takanori,Sawada, Masami,Sakata, Yoshiteru

, p. 927 - 928 (1997)

Tetraphenylporphyrins substituted with methylchalcogeno groups (XMe: X = Te, Se, S, and O) were prepared. Crystal structure analysis revealed that a novel type of molecular alignments was achieved by intermolecular CH...π interactions between XCH3 and porphyrin π-systems.

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