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124787-03-7

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124787-03-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 124787-03-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,7,8 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 124787-03:
(8*1)+(7*2)+(6*4)+(5*7)+(4*8)+(3*7)+(2*0)+(1*3)=137
137 % 10 = 7
So 124787-03-7 is a valid CAS Registry Number.

124787-03-7Upstream product

124787-03-7Downstream Products

124787-03-7Relevant articles and documents

Synthesis of Symmetrical Polycyclic Aromatic Tellurides

Suzuki, Hitomi,Padmanabhan, Seetharamaiyer,Inouye, Masahiko,Ogawa, Takuji

, p. 468 - 471 (1989)

A direct synthesis of 13 polycyclic aromatic tellurides from the corresponding aromatic iodides has been achieved using sodium telluride, prepared by two different methods; (i) using tellurium and Rongalite HOCH2SO2Na in dilute aqueous alkali, and (ii) from tellurium and sodium hydride in dry dimethylformamide.A comparison of these two types of tellurating agents has been made.

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