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121667-17-2

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121667-17-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121667-17-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,6,6 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 121667-17:
(8*1)+(7*2)+(6*1)+(5*6)+(4*6)+(3*7)+(2*1)+(1*7)=112
112 % 10 = 2
So 121667-17-2 is a valid CAS Registry Number.

121667-17-2Downstream Products

121667-17-2Relevant articles and documents

COUNTERATTACK REAGENTS: HEXAMETHYLDISILANE AND 1,2-DIMETHYL-1,1,2,2-TETRAPHENYLDISILANE IN THE SYNTHESIS OF POLYSILYLATED HYDRAZINES

Hwu, Jih Ru,Wang, Naelong

, p. 4181 - 4196 (1988)

Polysilylated hydrazines have wide applicability.It is tedious to prepare these compounds by classic means.However, using hexamethyldisilane and 1,2-dimethyl-1,1,2,2-tetraphenyldisilane as counterattack reagents, we synthesized polysilylated hydrazines under alkaline conditions in good to excellent yields.This one-pot method is expedient and more efficient than other procedures.Polysilylated hydrazines were found to react with aldehydes or ketones in the presence of a catalytic amount of trimethylsilyl trifluoromethanesulfonate to give the corresponding hydrazones under anhydrous conditions.

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