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133636-65-4

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133636-65-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133636-65-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,6,3 and 6 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 133636-65:
(8*1)+(7*3)+(6*3)+(5*6)+(4*3)+(3*6)+(2*6)+(1*5)=124
124 % 10 = 4
So 133636-65-4 is a valid CAS Registry Number.

133636-65-4Relevant articles and documents

Rearrangement of 2-Azabicyclohept-5-en-3-ones: Synthesis of cis-3-Aminocyclopentane Carboxylic Acid Derivatives

Palmer, Christopher F.,Parry, Keith P.,Roberts, Stanley M.,Sik, Vladimir

, p. 1021 - 1028 (2007/10/02)

The γ-lactam 4 was converted into the bromo ester 6 and the latter compound was transformed in five steps into the diester 10.Similarly the lactam 4 was converted into the hydroxy amide 17 via the intermediacy of the dihalogeno compound 11.Compounds 10 an

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