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100747-89-5

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100747-89-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 100747-89-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,7,4 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 100747-89:
(8*1)+(7*0)+(6*0)+(5*7)+(4*4)+(3*7)+(2*8)+(1*9)=105
105 % 10 = 5
So 100747-89-5 is a valid CAS Registry Number.

100747-89-5Downstream Products

100747-89-5Relevant academic research and scientific papers

A NEW FORMYLATION REAGENT: 4-FORMYL-2-METHYL-1,3,4-THIADIAZOLIN-5-THIONE

Yazawa, Hisatoyo,Goto, Shunsuke

, p. 3703 - 3706 (1985)

4-Formyl-2-methyl-1,3,4-thiadiazolin-5-thione, prepared from acetic formic anhydride, is found to act as a selective formylation reagent under mild conditions.The synthesis of some N-formyl antibiotics with this reagent is reported.

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