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1-Tosyl-1,4,5,6-tetrahydropyrimidin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77891-10-2

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77891-10-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77891-10-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,9 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 77891-10:
(7*7)+(6*7)+(5*8)+(4*9)+(3*1)+(2*1)+(1*0)=172
172 % 10 = 2
So 77891-10-2 is a valid CAS Registry Number.

77891-10-2Relevant academic research and scientific papers

Syntheses with α-Metalated Isocyanides, XLVII. - A Reagent for Nucleophilic 1,3-Diaminopropylation

Hoppe, Inga,Schoellkopf, Ulrich

, p. 103 - 106 (2007/10/02)

1-Tosyltetrahydropyrimidine 3 reacts with butyllithium (or LDA) to give the lithium compound 4 which undergoes ring opening to yield the isocyanide 5.This reacts with a second mole buthyllithium to furnish 1-lithio-3-propyl isocyanid

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