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449813-82-5

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449813-82-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 449813-82-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,9,8,1 and 3 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 449813-82:
(8*4)+(7*4)+(6*9)+(5*8)+(4*1)+(3*3)+(2*8)+(1*2)=185
185 % 10 = 5
So 449813-82-5 is a valid CAS Registry Number.

449813-82-5Relevant articles and documents

3-Phosphono-2-(N-cyanoimino)thiazolidine derivatives, new phosphorylating agents for alcohols

Maezaki, Naoyoshi,Furusawa, Akemi,Hirose, Yuki,Uchida, Shuji,Tanaka, Tetsuaki

, p. 3493 - 3498 (2007/10/03)

We have developed new phosphorylating agents, 3-phosphono-2-(N-cyanoimino)-thiazolidine derivatives (3-phosphono-NCTs), which were readily synthesized by phosphorylation of NCT, and transformed primary and secondary alcohols into phosphates in good yield. The transfer of three kinds of dialkylphosphono groups [(PhO)2P(O)-, (EtO)2P(O)-, (Cl3CCH2O)2P(O)-] proceeded in excellent yields. Selective phosphorylation of various alcohols was also accomplished.

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