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1239368-65-0

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1239368-65-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239368-65-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,3,6 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1239368-65:
(9*1)+(8*2)+(7*3)+(6*9)+(5*3)+(4*6)+(3*8)+(2*6)+(1*5)=180
180 % 10 = 0
So 1239368-65-0 is a valid CAS Registry Number.

1239368-65-0Downstream Products

1239368-65-0Relevant articles and documents

Efficient preparation of α-ketoacetals

Ayala-Mata, Francisco,Barrera-Mendoza, Citlalli,Jimenez-Vazquez, Hugo A.,Vargas-Diaz, Elena,Zepeda, L. Gerardo

, p. 13864 - 13878 (2013/03/13)

The Weinreb amides 2a,b were prepared from the a,a-dimethoxyacetic acids 1c,d. A number of representative nucleophilic additions (RMgX and RLi) on 2 afforded a-ketoacetals 3a-j in 70-99% yield. These compounds represent a versatile arrangement of functional groups of significant synthetic value, as demonstrated in the synthesis of (±)-salbutamol.

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