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2938-48-9

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2938-48-9 Usage

Chemical Properties

white crystals or crystalline powder

Check Digit Verification of cas no

The CAS Registry Mumber 2938-48-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,3 and 8 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 2938-48:
(6*2)+(5*9)+(4*3)+(3*8)+(2*4)+(1*8)=109
109 % 10 = 9
So 2938-48-9 is a valid CAS Registry Number.
InChI:InChI=1/C7H10O3/c1-7(2)4-3-5(8)10-6(7)9/h3-4H2,1-2H3

2938-48-9 Well-known Company Product Price

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  • Alfa Aesar

  • (B25303)  2,2-Dimethylglutaric anhydride, 98%   

  • 2938-48-9

  • 5g

  • 490.0CNY

  • Detail
  • Alfa Aesar

  • (B25303)  2,2-Dimethylglutaric anhydride, 98%   

  • 2938-48-9

  • 25g

  • 4243.0CNY

  • Detail
  • Aldrich

  • (D159603)  2,2-Dimethylglutaricanhydride  96%

  • 2938-48-9

  • D159603-5G

  • 636.48CNY

  • Detail

2938-48-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name 3,3-dimethyloxane-2,6-dione

1.2 Other means of identification

Product number -
Other names 2,2-Dimethylglutaric Anhydride

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:2938-48-9 SDS

2938-48-9Relevant articles and documents

VITRIFIED STATE STABILIZING AGENT FOR ANIMAL CELL CRYOPRESERVATION SOLUTION

-

, (2018/06/29)

Provided are a vitrification stabilizer for animal cell cryopreservation fluid, and an animal cell cryopreservation fluid that exhibits superior vitrification capacity due to containing said vitrification stabilizer for animal cell cryopreservation fluid. The vitrification stabilizer for animal cell cryopreservation fluid contains an amphoteric polymer compound selected from the group consisting of: (a) an amphoteric polymer compound obtained by reacting ?-poly-L-lysine with butyl succinic acid anhydride and performing carboxylation; (b) an amphoteric polymer compound obtained by reacting ?-poly-L-lysine with butyl succinic acid anhydride and succinic acid anhydride, and performing carboxylation; and (c) an amphoteric polymer compound obtained by reacting ?-poly-L-lysine with a compound represented by formula (I) and performing carboxylation.

Regioselective photochemical rearrangement of N-mesyloxylactams

Pichette, Simon,Aubert-Nicol, Samuel,Lessard, Jean,Spino, Claude

supporting information; experimental part, p. 1328 - 1335 (2012/04/05)

N-Mesyloxylactams can undergo ring contraction either by C-3 (usually observed) or C-5 migration. C-5 migration can occur when the C-3 migration product possesses ring strain, but it does not usually compete with C-3 migration. The greater preference for C-3 migration is due to the carbonyl oxygen atom, which greatly stabilizes the intermediate. Studies of the photochemical rearrangement of N-mesyloxylactams showed that the lone pair of the carbonyl oxygen atom, and not the degree of the substitution atthe migrating carbon atoms, is the governing factor in the regioselectivity of the reaction. Copyright

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