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179691-31-7

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179691-31-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 179691-31-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,6,9 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 179691-31:
(8*1)+(7*7)+(6*9)+(5*6)+(4*9)+(3*1)+(2*3)+(1*1)=187
187 % 10 = 7
So 179691-31-7 is a valid CAS Registry Number.

179691-31-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-(2-nitrophenyl)-2-methylethyl chloroformate

1.2 Other means of identification

Product number -
Other names [2-(2-nitrophenyl)propoxy]carbonyl chloride

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:179691-31-7 SDS

179691-31-7Relevant articles and documents

A Singular System with Precise Dosing and Spatiotemporal Control of CRISPR-Cas9

Manna, Debasish,Maji, Basudeb,Gangopadhyay, Soumyashree A.,Cox, Kurt J.,Zhou, Qingxuan,Law, Benjamin K.,Mazitschek, Ralph,Choudhary, Amit

, p. 6285 - 6289 (2019)

Several genome engineering applications of CRISPR-Cas9, an RNA-guided DNA endonuclease, require precision control of Cas9 activity over dosage, timing, and targeted site in an organism. While some control of Cas9 activity over dose and time have been achieved using small molecules, and spatial control using light, no singular system with control over all the three attributes exists. Furthermore, the reported small-molecule systems lack wide dynamic range, have background activity in the absence of the small-molecule controller, and are not biologically inert, while the optogenetic systems require prolonged exposure to high-intensity light. We previously reported a small-molecule-controlled Cas9 system with some dosage and temporal control. By photocaging this Cas9 activator to render it biologically inert and photoactivatable, and employing next-generation protein engineering approaches, we have built a system with a wide dynamic range, low background, and fast photoactivation using a low-intensity light while rendering the small-molecule activator biologically inert. We anticipate these precision controls will propel the development of practical applications of Cas9.

METHODS OF SYNTHESIZING A POLYNUCLEOTIDE ARRAY USING PHOTOACTIVATED AGENTS

-

, (2021/12/17)

Described herein are methods for the synthesis of DNA polynucleotides and polynucleotides, as well as methods for their deprotection and methods for the use of said compounds and compositions comprising said compounds. In particular, such compounds and compositions comprising them are used in methods for light-directed synthesis of DNA microarrays.

Photolabile peptide nucleic acid monomers: Synthesis and photodeprotection

Bhushan, Kumar R.

, p. 2130 - 2132 (2008/02/05)

The photolabile 2-(2-nitrophenyl)propyloxy carbonyl (NPPOC) group has been introduced as an amino protecting group for peptide nucleic acids (PNA) to be used as building blocks in photolithographic solid-phase PNA synthesis. NPPOC-protected PNA derivative

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