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1244340-81-5

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1244340-81-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1244340-81-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,4,3,4 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1244340-81:
(9*1)+(8*2)+(7*4)+(6*4)+(5*3)+(4*4)+(3*0)+(2*8)+(1*1)=125
125 % 10 = 5
So 1244340-81-5 is a valid CAS Registry Number.

1244340-81-5Upstream product

1244340-81-5Downstream Products

1244340-81-5Relevant articles and documents

Reactions of an aluminum amide with aromatic nitriles: Formation of Al-N-C frameworks

Maheswari,Rajendran,Meyer, Jens,Reddy, N. Dastagiri

, p. 3799 - 3807 (2010/12/20)

Reactions of a four-membered Al-N ring, [(Dipp)HNAlMe2] 2 (2; Dipp =2,6-diisopropylphenyl), with the aromatic nitriles PhCN, TbpCN (Tbp =4-tert-butylphenyl), DmpCN (Dmp = 2,6-dimethylphenyl), DepCN (DepCN = 2,6-diethylphenyl), and DippCN are reported. 2 reacts with PhCN to give a 1:2 insertion product, the tetrameric aluminum amidinate 3, whereas with TbpCN it gives the 1:1 insertion products 4-6. Under similar conditions, DmpCN, DepCN, and DippCN do not undergo insertion but form simple adducts of alumazene (1), 7a-c and 8a-c (2:1 and 1:1 nitrile/alumazene), in which the nitriles coordinate to Al. Compounds 3-6 and 7a-c have been structurally characterized. 3 is comprised of four four-membered aluminum amidinate rings. 5 features a core made of three Al2N2 and two AlCN2 four-membered rings fused together. The structures of 4 and 6 consist of a dimer of a six-membered Al2CN3 framework. A high-yield synthesis of 3 from N-(Dipp)benzamidine and AlMe3 has also been reported.

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