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131001-89-3

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131001-89-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131001-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,0,0 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 131001-89:
(8*1)+(7*3)+(6*1)+(5*0)+(4*0)+(3*1)+(2*8)+(1*9)=63
63 % 10 = 3
So 131001-89-3 is a valid CAS Registry Number.

131001-89-3Relevant articles and documents

11,13-MODIFIED SAXITOXINS FOR THE TREATMENT OF PAIN

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Paragraph 00293, (2020/05/15)

Provided herein are compounds, pharmaceutical compositions comprising the compounds, methods of preparing the compounds, and methods of using the compounds and compositions in treating conditions associated with voltage-gated sodium channel function where the compounds are 11,13-modified saxitoxins according to Formula (I): (Formula (I)); where R1, and R2 are as described herein.

11,13-MODIFIED SAXITOXINS FOR THE TREATMENT OF PAIN

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Paragraph 00200; 00243, (2018/10/25)

Provided herein are compounds, pharmaceutical compositions comprising the compounds, methods of preparing the compounds, and methods of using the compounds and compositions in treating conditions associated with voltage-gated sodium channel function where the compounds are 11,13-modified saxitoxins according to Formula (I): where R4, R4a, R7, R7a, and X2 are as described herein.

Supramolecular control of selectivity in hydroformylation of vinyl arenes: Easy access to valuable β-aldehyde intermediates

Dydio, Pawel,Reek, Joost N. H.

, p. 3878 - 3882 (2013/05/09)

Go against the flow! A rationally designed regioselective hydroformylation catalyst, [Rh/L], in which noncovalent ligand-substrate interactions allow the unprecedented reversal of selectivity from the typical α-aldehyde to the otherwise unfavored product β-aldehyde, is reported. This catalytic system opens up novel and sustainable synthetic pathways to important intermediates for the fine-chemicals industry.

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