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156387-05-2

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156387-05-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156387-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,3,8 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 156387-05:
(8*1)+(7*5)+(6*6)+(5*3)+(4*8)+(3*7)+(2*0)+(1*5)=152
152 % 10 = 2
So 156387-05-2 is a valid CAS Registry Number.

156387-05-2Downstream Products

156387-05-2Relevant articles and documents

SYNTHESIS OF 2-SILATETRALIN DERIVATIVES BEARING OXYGEN FUNCTIONAL GROUPS

Hoshino, Osamu,Hirokawa, Akihisa,Taguchi, Toru,Miyauchi, Kenji

, p. 883 - 896 (2007/10/02)

The Grignard reagents of methoxy- or methylenedioxyphenylmethyl chlorides (12a-e) were treated with trichlorovinylsilane in THF or ether to give methoxy- or methylenedioxybenzyldichlorovinylsilanes (13a-e).The reaction of 13a-d in the presence of AlCl3 in CS2 or CH2Cl2 followed by treatment with MeOH and cyclohexylamine or Et3N afforded methoxy-2-silatetralins (16a-d).Treatment of 16a-d with MeMgI or EtMgBr in ether gave the corresponding 2,2-dimethyl- or 2,2-diethyl-2-silatetralins (17a-d or 18).Demethylation of 17a, 17b or 18 with BBr3 in CH2Cl2 furnished hydroxy-2-silatetralins (19a, 19b or 20).

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