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141036-94-4

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141036-94-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141036-94-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,0,3 and 6 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 141036-94:
(8*1)+(7*4)+(6*1)+(5*0)+(4*3)+(3*6)+(2*9)+(1*4)=94
94 % 10 = 4
So 141036-94-4 is a valid CAS Registry Number.

141036-94-4Downstream Products

141036-94-4Relevant articles and documents

Method for producing symmetrical and asymmetrical carbonates

-

Page column 5, (2010/02/06)

Process for the preparation of symmetrical and asymmetrical carbonates of the general formula I by reaction of alcohols of the general formula II and alkyl or aryl halides of the general formula III,R—OH??IIR′—HAL??IIIwith carbon dioxide and caesium carbonate at room temperature in dipolar aprotic solvents.

Vinyl carbonates as novel alkoxycarbonylation reagents in enzymatic synthesis of carbonates

Pozo,Pulido,Gotor

, p. 6477 - 6484 (2007/10/02)

Carbonates could be obtained by enzymatic alkoxycarbonylation from vinyl carbonates, which are easily prepared from vinyl chloroformate. The reaction was catalyzed by Candida antarctica lipases, SP 435 and SP 435 A. The method could be also used for the synthesis of carbamates. When racemic alcohols were used, lipase catalyzed their resolution, and chiral carbonates were obtained with different enantiomeric excesses depending upon the structure of the alcohol.

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