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1639159-68-4

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1639159-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1639159-68-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,9,1,5 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1639159-68:
(9*1)+(8*6)+(7*3)+(6*9)+(5*1)+(4*5)+(3*9)+(2*6)+(1*8)=204
204 % 10 = 4
So 1639159-68-4 is a valid CAS Registry Number.

1639159-68-4Upstream product

1639159-68-4Downstream Products

1639159-68-4Relevant academic research and scientific papers

Efficient synthesis and versatile reactivity of porphyrinyl grignard reagents

Fujimoto, Keisuke,Yorimitsu, Hideki,Osuka, Atsuhiro

, p. 4327 - 4334 (2014)

Iodine-magnesium exchange between iodoporphyrins and iPrMgCl·LiCl proceeded successfully without decomposition of the porphyrin core. The resulting porphyrinyl Grignard reagents are nucleophilic enough to react with various carbonyl compounds, such as ald

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