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127291-78-5

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127291-78-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127291-78-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,2,9 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 127291-78:
(8*1)+(7*2)+(6*7)+(5*2)+(4*9)+(3*1)+(2*7)+(1*8)=135
135 % 10 = 5
So 127291-78-5 is a valid CAS Registry Number.

127291-78-5Relevant articles and documents

Synthesis of α-phenylchalcogeno acetic acids, ethyl-α-phenylchalcogeno acetates and ethyl-α-halo-α-phenylchalcogeno acetates

Dabdoub, Miguel J.,Guerrero, Palimecio G.,Silveira, Claudio C.

, p. 31 - 38 (2007/10/02)

Reaction of phenyltellurolate or phenylselenolate anion with α-bromoacetic acid under phase transfer conditions using a liquid-solid system affords the α-phenyltelluro acetic acid and the α-phenylseleno acetic acid in 44 and 50percent yields respectively.

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