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141071-24-1

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141071-24-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141071-24-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,0,7 and 1 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 141071-24:
(8*1)+(7*4)+(6*1)+(5*0)+(4*7)+(3*1)+(2*2)+(1*4)=81
81 % 10 = 1
So 141071-24-1 is a valid CAS Registry Number.

141071-24-1Relevant articles and documents

Studies on the synthesis of 5-benzyl-1,3,4-benzotriazepines from 2-isothiocyanatodesoxybenzoine

Morgenstern,Richter,Ahrens

, p. 25 - 28 (2007/10/02)

The reaction of 2-isothiocyanatodesoxybenzoine prepared from 2-aminodesoxybenzoine and thiophosgene in good yield and 2-aminoethanol or methylhydrazine supplied a 4-hydroxy-1,2,3,4-tetrahydroquinazoline and an open chained thiosemicarbazide derivative, respectively. When heating, both compounds react under loss of water. The latter forms the 5-benzyl-3-methyl-2-thioxo-2,3-dihydro-1H-1,3,4-benzotriazepine which can be alkylated at the sulphur atom and transformed into the 2-oxo analog.

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