Cas 27270-59-3,3β-acetoxy-5,6-seco-5-oxocholestane-6-nitrile

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Check Digit Verification of cas no

The CAS Registry Mumber 27270-59-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,2,7 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 27270-59:
(7*2)+(6*7)+(5*2)+(4*7)+(3*0)+(2*5)+(1*9)=113
113 % 10 = 3
So 27270-59-3 is a valid CAS Registry Number.

27270-59-3Upstream product

27270-59-3Downstream Products

43124-51-2 5,6-secocholest-3-en-5-one-6-carbonitrile

27270-59-3Relevant articles and documents

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Zbiral,E. et al.

, p. 1427 - 1434 (1970)

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 (2007/10/02)

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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27270-59-3