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148020-31-9

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148020-31-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148020-31-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,0,2 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 148020-31:
(8*1)+(7*4)+(6*8)+(5*0)+(4*2)+(3*0)+(2*3)+(1*1)=99
99 % 10 = 9
So 148020-31-9 is a valid CAS Registry Number.

148020-31-9Relevant articles and documents

Convenient Synthesis of Some Styrylpyridinium Dyes Containing Methylenebis Moiety

Peesapati, Venkateswarlu,Rao, Ummaneni Narasimha,Pethrick, Richard A.

, p. 984 - 986 (2007/10/02)

Condensation of 4-vinylpyridine with 4,4'-bis and its N-ethyl analogue adopting Heck's reaction yielded corresponding new styrylpyridines which were converted into their pyridinium bromides.All the compounds reported were characterized by analytical and spectral data.

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