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445289-97-4

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445289-97-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 445289-97-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,5,2,8 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 445289-97:
(8*4)+(7*4)+(6*5)+(5*2)+(4*8)+(3*9)+(2*9)+(1*7)=184
184 % 10 = 4
So 445289-97-4 is a valid CAS Registry Number.

445289-97-4Relevant articles and documents

Stereoselective synthesis of the C1-C12 subunit of (-)-callystatin A

Raghavan, Sadagopan,Rajendar, Sheelamanthula

, p. 4371 - 4373 (2015/06/22)

A stereoselective synthesis of the C1-C12 fragment of callystatin A is disclosed. The two stereocenters at C5 and C10 were created by an organocatalytic reaction and a diastereoselective alkylation, respectively. The trisubstituted double bond was introdu

An efficient synthesis of synargentolide A from D-mannitol

Kamal, Ahmed,Balakrishna, Moku,Reddy, Papagari Venkat,Faazil, Shaikh

experimental part, p. 2517 - 2523 (2011/02/22)

An efficient synthesis of synargentolide A is described by using d-mannitol and d-malic acid. The key features of the synthetic strategy include Wittig olefination, ring closing-metathesis reaction and cross-metathesis reaction for the formation of synarg

Synthesis of (R)-(-)-argentilactone

Hansen, Trond Vidar

, p. 547 - 550 (2007/10/03)

A synthesis of (R)-(-)-argentilactone is reported starting from the (S)-enantiomer of glycidol. The synthesis is based on ring closing metathesis of the acrylic ester of (R)-1-O-(tert-butyldiphenylsilyl)-4-penten-1,2-diol 4.

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