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139685-49-7

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139685-49-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139685-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,8 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 139685-49:
(8*1)+(7*3)+(6*9)+(5*6)+(4*8)+(3*5)+(2*4)+(1*9)=177
177 % 10 = 7
So 139685-49-7 is a valid CAS Registry Number.

139685-49-7Downstream Products

139685-49-7Relevant academic research and scientific papers

Lanthanum trichloride catalysed protective tetrahydropyranylation of alcohols and phenols

Bhuma,Kantam

, p. 2941 - 2944 (1992)

Lanthanum Trichloride is an effective catalyst for the protective tetrahydropyranylation of alcohols and phenols. The catalyst is recycled almost quantitatively.

Molybdenum catalyzed protective tetrahydropyranylation of alcohols and phenols

Lakshmi Kantam,Lakshmi Santhi

, p. 2225 - 2228 (2007/10/02)

Molybdenyl(VI) acetylacetonate is an effective catalyst for the protective tetrahydropyranylation of alcohols and phenols.

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