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27948-74-9

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27948-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27948-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,9,4 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 27948-74:
(7*2)+(6*7)+(5*9)+(4*4)+(3*8)+(2*7)+(1*4)=159
159 % 10 = 9
So 27948-74-9 is a valid CAS Registry Number.

27948-74-9Upstream product

27948-74-9Relevant articles and documents

Potassium Borohydride Reductions of Ketones absorbed into Polymer Supports: Stereochemical Effects

Briggs, Josie C.,Hodge, Philip

, p. 310 - 311 (1988)

The proportions of 6α-alcohol obtained from aqueous potassium borohydride reductions of 3β-cholestan-6-one (1) absorbed into various polymers varied from 0 to 90percent depending on the polymer used and whether or not a phase transfer catalyst was added; some other ketones show similar streochemical effects, the greatest effects probably arising when the substrates are adsorbed to the inner surfaces of appropriate polymers.

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