Cas 1189804-36-1,((3S,4R,5R)-5-allyloxy-1-benzyloxy-3-methoxy-6,6-dimethyloct-7-yn-4-yloxy)triethylsilane

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Check Digit Verification of cas no

The CAS Registry Mumber 1189804-36-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,8,0 and 4 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1189804-36:
(9*1)+(8*1)+(7*8)+(6*9)+(5*8)+(4*0)+(3*4)+(2*3)+(1*6)=191
191 % 10 = 1
So 1189804-36-1 is a valid CAS Registry Number.

1189804-36-1Upstream product

1189804-36-1Downstream Products

1189804-55-4 (7S,8R)-13-(allyloxy)-14-(3-(benzyloxy)-1-methoxypropyl)-16,16-diethyl-2,2,8,12,12-pentamethyl-3,3-diphenyl-7-(triethylsilyloxy)-4,15-dioxa-3,16-disilaoctadec-10-yn-9-one

1189804-36-1Relevant academic research and scientific papers

Towards the total synthesis of Calyculin C: preparation of the C13-C25 spirocyclic core

Habrant, Damien,Stewart, Alan J.W.,Koskinen, Ari M.P.

experimental part, p. 7927 - 7934 (2009/12/03)

A stereoselective synthesis of the C13-C25 of Calyculin C is described. Key steps involve the coupling of a terminal acetylene with a thiol ester and subsequent spirocyclisation using a double intramolecular hetero-Michael addition.

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