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70197-51-2

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70197-51-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70197-51-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,1,9 and 7 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 70197-51:
(7*7)+(6*0)+(5*1)+(4*9)+(3*7)+(2*5)+(1*1)=122
122 % 10 = 2
So 70197-51-2 is a valid CAS Registry Number.

70197-51-2Relevant articles and documents

Facile synthesis of α,α′ disubstituted N-hydroxypyrrolidines and N-hydroxypiperidines via double 1,4-addition of hydroxylamine

Bargiggia, Frédéric C.,Murray, William V.

, p. 3191 - 3193 (2007/10/03)

A versatile synthesis of α and α′ disubstituted N-hydroxypiperidine and N-hydroxypyrrolidine by consecutive double 1,4-addition of hydroxylamine on the corresponding bis α,β-unsaturated diester is described. This reaction takes place an environmentally friendly (ethanol/water) system and at room temperature.

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