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5-Methoxy-3-methyl-1,4,6,9-tetraoxa-5λ5-phospha-spiro[4.4]nonan-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77989-18-5

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77989-18-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77989-18-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,8 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77989-18:
(7*7)+(6*7)+(5*9)+(4*8)+(3*9)+(2*1)+(1*8)=205
205 % 10 = 5
So 77989-18-5 is a valid CAS Registry Number.

77989-18-5Downstream Products

77989-18-5Relevant academic research and scientific papers

NUCLEOPHILIC SUBSTITUTION OF ALCOHOL AT PHOSPHORUS OF SPIRO ACYLOXYPHOSPHORANE : TRANSPHOSPHORANYLATION

Kobayashi, Shiro,Narukawa, Yukitoshi,Hashimoto, Takatsugu,Saegusa, Takeo

, p. 1599 - 1602 (2007/10/02)

Spiro acyloxyphosphoranes (S-AOPs, 1 and 3) underwent the nucleophilic substitution of alcohols at the phosphorus atom to give another S-AOPs (2) (Transphosphoranylation).Reaction mechanism and characteristics of the transphosphoranylation are described.

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