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85220-08-2

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85220-08-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85220-08-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,2,2 and 0 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 85220-08:
(7*8)+(6*5)+(5*2)+(4*2)+(3*0)+(2*0)+(1*8)=112
112 % 10 = 2
So 85220-08-2 is a valid CAS Registry Number.

85220-08-2Downstream Products

85220-08-2Relevant articles and documents

Reactions of 3-Substituted Pyrazolin-5-ones with Isocyanates

Mitsuhashi, Keiryo,Takayanagi, Hisashi,Matsuno, Sin-ichi,Tanaka, Kiyoshi

, p. 1389 - 1392 (2007/10/02)

The reaction sites of 3-substituted pyrazolin-5-ones and their O- and N-blocked analogues toward various isocyanates were investigated. 3-Methyl and 3-ethoxycarbonylpyrazolin-5-ones gave the corresponding 1-carbamoylpyrazolinones, whereas the O-alkylpyraz

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