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155154-81-7

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155154-81-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 155154-81-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,1,5 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 155154-81:
(8*1)+(7*5)+(6*5)+(5*1)+(4*5)+(3*4)+(2*8)+(1*1)=127
127 % 10 = 7
So 155154-81-7 is a valid CAS Registry Number.

155154-81-7Downstream Products

155154-81-7Relevant articles and documents

Hydrogen-bridged trinuclear nitrosyl carbonyl tungstate: H2W3(CO)13(NO)-

Lin, Jiann T.,Wang, Shiow Y.,Yeh, An C.,Tsai, Thamas Y. R.,Peng, Shie-Ming,Lee, Gene H.,Wen, Yuh S.

, p. 1948 - 1952 (2008/10/08)

Treatment of HW2(CO)7(THF)2(NO) with PtBu3 gives HW2(CO)8(PtBu3)(NO) (1), [HPtPBu3][HW2(CO)10] (2), and [HPtPBu3][(μ-H)2W3(CO) 13(NO)] (3). The anion (μ-H)2W3(CO)13(NO)-(3 -) could be more conveniently prepared and isolated as [PPN][μ-H)2W3(CO)13(NO)] (4) from the reaction of HW2(CO)9(NO) with [PPN]-[HW(CO)5] (PPN+ = (Ph3P)2N+). Complex 3 reacts with a nucleophile L to form [HPtBu3][(μ-H)2W3(CO) 12-(L)(NO)] (5, L = PMe3; 6, L = PPh3; 7, L = P(OEt)3; 8, L = MeNC). Crystal data for 5: C27H37NO13P2W3; Cc (monoclinic); a = 19.275(5), b = 31.730(4), c = 12.948(2) A?; β = 91.22(2)°; Z = 8; R = 0.030, Rw = 0.030.

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