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13626-89-6

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13626-89-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13626-89-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,6,2 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 13626-89:
(7*1)+(6*3)+(5*6)+(4*2)+(3*6)+(2*8)+(1*9)=106
106 % 10 = 6
So 13626-89-6 is a valid CAS Registry Number.

13626-89-6Relevant articles and documents

Regioselective Synthesis of 5-Alkylthio- and 3-Alkylthioisoxazoles from Acylketene Dithioacetals

Purkayastha, M. L.,Ila, H.,Junjappa, H.

, p. 20 - 24 (2007/10/02)

A regioselective synthesis of isomeric 5-alkylthio- and 3-alkylthioisoxazoles 3 and 4 has been developed from acylketene dithioacetals 2.Thus the reaction of 2a-l with hydroxylamine hydrochloride in the presence of sodium methoxide in refluxing methanol a

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