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73156-61-3

2α-Methyl-2β-< (S)-acetoxymethoxymethyl >-6β-(phenoxyacetamido)penam-3α-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

73156-61-3

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73156-61-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73156-61-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,1,5 and 6 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 73156-61:
(7*7)+(6*3)+(5*1)+(4*5)+(3*6)+(2*6)+(1*1)=123
123 % 10 = 3
So 73156-61-3 is a valid CAS Registry Number.

73156-61-3Downstream Products

73156-61-3Relevant articles and documents

Importance of the Substituent on C(2) in the Interconversion of the Thiazine and the Thiazolidine System of β-Lactam Antibiotics

Balsamo, Aldo,Giorgi, Irene,Macchia, Bruno,Macchia, Franco,Rosai, Antonio,et al.

, p. 2610 - 2614 (2007/10/02)

The reaction of the 2α-methoxy-3α-bromocepham derivative 1 with silver acetate in acetic acid gave a 1:1 mixture of two penam derivatives 3 und 4, which can be easily converted into the corresponding free acids 5 and 6.Oxidation of 3 and 4 with m-chlorope

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