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51688-22-3

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51688-22-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51688-22-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,6,8 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 51688-22:
(7*5)+(6*1)+(5*6)+(4*8)+(3*8)+(2*2)+(1*2)=133
133 % 10 = 3
So 51688-22-3 is a valid CAS Registry Number.
InChI:InChI=1/C3H4N2O/c1-6-3-5-2-4/h3H,1H3

51688-22-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name methyl N-cyanomethanimidate

1.2 Other means of identification

Product number -
Other names N-CYANOMETHANIMIDIC METHYL ESTER

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:51688-22-3 SDS

51688-22-3Relevant articles and documents

Imidazo-oxazinone compound as well as preparation method and application thereof

-

Paragraph 0108; 0133; 0135; 0136, (2016/10/17)

The invention provides an imidazo-oxazinone compound as well as a preparation method and application thereof. The imidazo-oxazinone compound has a structure shown in a formula (I). A series of imidazo-oxazinone compounds are synthesized by using a microwa

Chemical Modification of Nucleic Acid Components: Reactions of Cytosine, Cytidine, Isocytosine, and Adenine with Methyl N-Cyanomethanimidate

Hosmane, Ramachandra S.,Leonard, Nelson J.

, p. 1457 - 1465 (2007/10/02)

Reaction products of cytosine, cytidine, isocytosine, and adenine with methyl N-cyanomethanimidate (1) are reported.Thus, the reactions of cytidine and cytosine with 1 yielded (6,7-dihydro-6-oxo-7-β-D-ribofuranosyl-4H-pyrimido-1,3,5-triazin-4-ylidene)guanidine (4) and (6,7-dihydro-6-oxo-4H-pyrimido-1,3,5-triazin-4-ylidene)guanidine (5), respectively.The interrelationship between the two compounds was established by deribosidation of 4.The reaction of 1 with isocytosine gave two isomeric products: (6-oxo-6H-pyrimido-1,3,5-triazin-4-yl)guanidine (9) and (8-oxo-8H-pyrimido-1,3,5-triazin-4-yl)guanidine (10).The two products were differentiated by several means, including dehydrative cyclization of 9.Adenine and 1 also gave three products: N6-adenine (21) and two fluorescent isomers, (7H-1,3,5-triazinopurin-7-ylidene)guanidine (20) and (9H-1,3,5-triazinopurin-9-ylidene)guanidine (22).The structures of the products were established by 1H and 13C NMR, IR, UV, and mass spectral analyses and, where necessary, by unequivocal syntheses.The source of the incorporation of a cyanamide unit into the structures of the final products (e.g., 4, 5, 9, 10, 20, and 22) was explored by studying the behavior of the reagent 1 toward nucleophiles, e.g., H2O (D2O), and by isolation of the major byproducts of the reactions.The fluorescence spectral data for the final compounds are also reported.The compounds from isocytosine, 9 and 10, and one from adenine, 22, exhibit exceptionally large Stokes shifts.

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