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1123756-45-5

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1123756-45-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1123756-45-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,2,3,7,5 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1123756-45:
(9*1)+(8*1)+(7*2)+(6*3)+(5*7)+(4*5)+(3*6)+(2*4)+(1*5)=135
135 % 10 = 5
So 1123756-45-5 is a valid CAS Registry Number.

1123756-45-5Downstream Products

1123756-45-5Relevant articles and documents

Heterocyclic analogs of prostaglandines: IV. Synthesis of 3,7-interphenylene 3,10(11)-dioxa-13-azaprostanoids and 9-oxa-7-azaprostanoids based on tetronic acid and aromatic aldehydes

Pashkovskii,Shchukina,Gribovskii,Lakhvich

scheme or table, p. 657 - 670 (2009/04/07)

An approach was developed to the synthesis of stable in metabolism 3,7-interphenylene 3,10-dioxa-13-aza-and 3,11-dioxa-13-azaprostanoids, and also 9-oxa-7-azaprostanoids with interphenylene and terminal phenyl fragments in the ω-chain based on 3-(alkoxybenzylidene)-and 3-(3-phenylallylidene) tetrahydrofuran-2,4-diones obtained by Knoevenagel condensation of tetronic acid with alkoxy-substituted aromatic aldehydes and cinnamic aldehyde.

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