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164803-20-7

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164803-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 164803-20-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,8,0 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 164803-20:
(8*1)+(7*6)+(6*4)+(5*8)+(4*0)+(3*3)+(2*2)+(1*0)=127
127 % 10 = 7
So 164803-20-7 is a valid CAS Registry Number.

164803-20-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name limipterin

1.2 Other means of identification

Product number -
Other names 2'-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-L-biopterin

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:164803-20-7 SDS

164803-20-7Downstream Products

164803-20-7Relevant articles and documents

Efficient total syntheses of natural pterin glycosides: limipterin and tepidopterin

Hanaya, Tadashi,Baba, Hiroki,Toyota, Hiroki,Yamamoto, Hiroshi

, p. 2090 - 2100 (2008)

The key, versatile precursors N2-(N,N-dimethylaminomethylene)-1′-O-(4-methoxybenzyl)-3-[2-(4-nitrophenyl)ethyl]biopterin (29a) and its ciliapterin analog (29b) were prepared, respectively, from d-xylose (in 14 steps) and l-xylose (in 11 steps). Treatment of 29a and 29b with 3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-d-glucopyranosyl bromide in the presence of silver triflate and tetramethylurea, followed by removal of the protecting groups, led to the first selective syntheses of limipterin (3) and tepidopterin (5), respectively.

Novel preparation of a 2′-O-acetyl-1′-O-(4-methoxybenzyl)-L- biopterin derivative, a versatile precursor for a selective synthesis of L-biopterin glycosides

Hanaya, Tadashi,Toyota, Hiroki,Yamamoto, Hiroshi

, p. 2075 - 2078 (2008/02/05)

L-Rhamnose was converted, over a 13-step-sequence, into 2′-O-acetyl-N2-(N,N-dimethylaminomethylene)-1′-O-(4- methoxybenzyl)-3-[2-(4-nitrophenyl)ethyl]-L-biopterin, an appropriately protected precursor of 1′-O- and 2′-O-monoglycosyl-L-biopterin.

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