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136232-12-7

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136232-12-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136232-12-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,2,3 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 136232-12:
(8*1)+(7*3)+(6*6)+(5*2)+(4*3)+(3*2)+(2*1)+(1*2)=97
97 % 10 = 7
So 136232-12-7 is a valid CAS Registry Number.

136232-12-7Upstream product

136232-12-7Relevant articles and documents

Synthetic strategy toward γ-KETO NITRILES and their Biocatalytic conversion to asymmetric γ-lactones

Franz, Sarah E.,Watkins, Richard R.,Wright, Laura A.,Weaver, Blair A.,Hartage, Ramon C.,Ghiviriga, Ion,Gumina, Giuseppe,Feske, Brent D.

, p. 2171 - 2178 (2013)

Asymmetric γ-hydroxy nitriles are valuable intermediates because hydrolysis of the nitriles can result in an intramolecular cyclization to chiral γ-lactones, which have a variety of biological uses. Starting with an assortment of different aldehydes (alkyl and aryl) a 4-step synthesis of γ-keto nitriles was developed. These prochiral substrates were then screened against a library of ketoreductases for their ability to stereoselectively reduce the carbonyl. Enzymes from the short chain dehydrogenase family showed activity and these enzymatic reactions were scaled up to produce a diverse set of chiral γ-lactones.

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