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87826-20-8

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87826-20-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87826-20-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,8,2 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 87826-20:
(7*8)+(6*7)+(5*8)+(4*2)+(3*6)+(2*2)+(1*0)=168
168 % 10 = 8
So 87826-20-8 is a valid CAS Registry Number.

87826-20-8Downstream Products

87826-20-8Relevant articles and documents

The synthesis of primary, secondary, and tertiary ferrocenylethylamines

Butler, Ian R.,Cullen, William R.

, p. 2354 - 2358 (2007/10/02)

A simplified procedure for the preparation of α-N,N-dialkylaminoethylferrocenes R2NR' (r=Me, C6H11, CHMe2; R'=CH(CH3)C5H4FeC5H5) from the alcohol R'OH by treatment with HBr and R2NH is described.Use of ammonia results in the isolation of R'NH2, R'2NH (major product) and R'3N and use of the optically active amine d-(+)-H2NCH(CH3)C6H5 gives rise to diastereomers R'NHCH(CH3)C6H5 which are separable.When diphenylphosphine is substituted for an amine the oxide R'P(O)Ph2 is obtained in low yield.The secondary amine R'2NH reacts with n-butyllithium and chlorodiphenylphosphine to afford R'2NHPPh2.

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