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1308428-35-4

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1308428-35-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1308428-35-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,8,4,2 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1308428-35:
(9*1)+(8*3)+(7*0)+(6*8)+(5*4)+(4*2)+(3*8)+(2*3)+(1*5)=144
144 % 10 = 4
So 1308428-35-4 is a valid CAS Registry Number.

1308428-35-4Downstream Products

1308428-35-4Relevant articles and documents

Xanthan sulfuric acid as an efficient biodegradable and recyclable catalyst for the one-pot synthesis of α-amino phosphonates

Sun, Guo-Ying,Hou, Jun-Tao,Dou, Jing-Jie,Lu, Jun,Hou, Yong-Jie,Xue, Tuo,Zhang, Zhan-Hui

, p. 1315 - 1320 (2010)

A convenient and efficient procedure for the synthesis of α-amino phosphonates by a one-pot, three-component condensation of aldehydes, amine, and diethyl phosphite in the presence of xanthan sulfuric acid as a bio-supported catalyst under solvent-free conditions has been developed. A wide range of α-amino phosphonates have been obtained in high to excellent yields. Furthermore, the catalyst can be recovered simply and reused several times in subsequent reactions.

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