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1448902-17-7

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1448902-17-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1448902-17-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,8,9,0 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1448902-17:
(9*1)+(8*4)+(7*4)+(6*8)+(5*9)+(4*0)+(3*2)+(2*1)+(1*7)=177
177 % 10 = 7
So 1448902-17-7 is a valid CAS Registry Number.

1448902-17-7Upstream product

1448902-17-7Relevant articles and documents

Synthesis of cationic R2P5+ cages and subsequent chalcogenation reactions

Holthausen, Michael H.,Hepp, Alexander,Weigand, Jan J.

, p. 9895 - 9907 (2013)

Cationic R2P5+ cage compounds (1 +) have been synthesized by the stoichiometric reaction of R 2PCl, GaCl3 and P4. The reaction conditions depend on the substituent R. Alkyl-substituted derivatives (1 a-1 d[GaCl 4]) are best synthesized under solvent-free conditions, whereas aryl-substituted derivatives (1 e-1 h[GaCl4]) are formed in C 6H5F. All compounds have been prepared on a multi-gram scale in good to excellent yields and have been fully characterized with an emphasis on 31P NMR spectroscopy in solution and single-crystal structure determination. Subsequent chalcogenation reactions of cations R 2P5+ (1 a+, 1 e+) and trication Ph6P73+ (33+) with elemental sulfur (α-S8) or grey selenium (Segrey) yielded a series of unique polyphosphorus-chalcogen cations (4 a+, 4 e+, 5 a+, 62+ and 72+ Copyright

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