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118554-25-9

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118554-25-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118554-25-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,5,5 and 4 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 118554-25:
(8*1)+(7*1)+(6*8)+(5*5)+(4*5)+(3*4)+(2*2)+(1*5)=129
129 % 10 = 9
So 118554-25-9 is a valid CAS Registry Number.

118554-25-9Downstream Products

118554-25-9Relevant articles and documents

Simplified Chiral Aminolysis of Prochiral ?-Symmetric Dicarboxylic Anhydrides with Sodium Salt of 4(S)-IPTT

Nagao, Yoshimitsu,Hagiwara, Yuichi,Hasegawa, Yukari,Ochiai, Masahito,Inoue, Takehisa,et al.

, p. 381 - 384 (2007/10/02)

Highly enantioselective chiral aminolysis of cis-4-cyclohexen-1,2-ylenebis(carboxylic acid) anhydride has been performed by employing sodium salt of 4(R)-isopropyl-1,3-thiazolidine-2-thione in THF-DMSO.Other chiral aminolyses of prochiral ?-symmetric dicarboxylic anhydrides such as cis-cyclobutan-1,2-ylenebis(carboxylic acid) anhydride, meso-2,4-dimethylglutaric anhydride, and 3-glutaric anhydride were similarly investigated.

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