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1631985-05-1

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1631985-05-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1631985-05-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,1,9,8 and 5 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1631985-05:
(9*1)+(8*6)+(7*3)+(6*1)+(5*9)+(4*8)+(3*5)+(2*0)+(1*5)=181
181 % 10 = 1
So 1631985-05-1 is a valid CAS Registry Number.

1631985-05-1Downstream Products

1631985-05-1Relevant articles and documents

Palladium-catalyzed carbonylation of aryl bromides with n-substituted cyanamides

Lian, Zhong,Friis, Stig D.,Lindhardt, Anders T.,Skrydstrup, Troels

supporting information, p. 1241 - 1245 (2014/06/10)

The palladium(0)-catalyzed three-component coupling reaction of aryl bromides, carbon monoxide, and N-alkyl cyanamides has been developed employing a two-chamber system with ex situ generation of carbon monoxide from a silacarboxylic acid. The reactions proceeded well and were complete with a reaction time of only five hours leading to the corresponding N-alkyl cyanamides in good yields. The methodology was further extended to 13C isotope labeling of the carbonyl group through the use of a 13CO produced from the corresponding 13C-labeled version of the silacarboxylic acid. Georg Thieme Verlag Stuttgart New York.

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