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129171-02-4

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129171-02-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129171-02-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,7 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 129171-02:
(8*1)+(7*2)+(6*9)+(5*1)+(4*7)+(3*1)+(2*0)+(1*2)=114
114 % 10 = 4
So 129171-02-4 is a valid CAS Registry Number.

129171-02-4Upstream product

129171-02-4Downstream Products

129171-02-4Relevant academic research and scientific papers

Tin(II) Chloride Dihydrate - a Mild Reagent for the Transformation of 6-Nitro-Δ5-steroids to 5α-Hydroxy-6-ketosteroids

Singhal, Gireesh M.,Das, Nalin B.,Sharma, Ram P.

, p. 498 - 499 (1990)

Reaction of excess hydrated tin(II) chloride with 6-nitro-Δ5-steroids (1a-g) and (5) in tetrahydrofuran furnishes 5α-hydroxy-6-ketosteroids (2a-g) and (6) respectively, in good yields.

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