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57051-07-7

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57051-07-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57051-07-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,0,5 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 57051-07:
(7*5)+(6*7)+(5*0)+(4*5)+(3*1)+(2*0)+(1*7)=107
107 % 10 = 7
So 57051-07-7 is a valid CAS Registry Number.

57051-07-7Relevant articles and documents

Hypercoordination of aluminum: Evidence for the implication of pentacoordinate complexes in the R2AlCl-promoted reduction of alkoxycarbonyl substrates

Ooi, Takashi,Morikawa, Junko,Uraguchi, Daisuke,Maruoka, Keiji

, p. 2993 - 2996 (1999)

R2AlCl-promoted reductions of alkoxycarbonyl substrates with Bu3SnH were found to proceed diastereoselectively through the formation of pentacoordinate chelate-type complexes which have been characterized by 13C NMR spectr

Stereoselective Reduction of α-Methyl-β-hydroxy Ketones with Zinc Borohydride

Nakata, Tadashi,Tani, Yoichiro,Hatozaki, Masayoshi,Oishi, Takeshi

, p. 1411 - 1415 (2007/10/02)

Zinc borohydride reduction of α-methyl-β-hydroxy ketones 3 produced the erythro-2-methyl-1,3-glycol derivatives 4 with high stereoselectivity.The selectivity was particularly high when an olefinic group was conjugated to the carbonyl group.Reduction of th

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