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ETHYL 7-AMINO-3-CYANOPYRAZOLO[1,5-A]PYRIMIDINE-6-CARBOXYLATE
Cas No: 64689-81-2
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ZHEJIANG JIUZHOU CHEM CO.,LTD
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ETHYL 7-AMINO-3-CYANOPYRAZOLO[1,5-A]PYRIMIDINE-6-CARBOXYLATE
Cas No: 64689-81-2
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Chemical Block Ltd.
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ETHYL 7-AMINO-3-CYANOPYRAZOLO[1,5-A]PYRIMIDINE-6-CARBOXYLATE
Cas No: 64689-81-2
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Butt Park Ltd.
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64689-81-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64689-81-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,6,8 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 64689-81:
(7*6)+(6*4)+(5*6)+(4*8)+(3*9)+(2*8)+(1*1)=172
172 % 10 = 2
So 64689-81-2 is a valid CAS Registry Number.

64689-81-2SDS

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	ethyl 7-amino-3-cyanopyrazolo(1,5-a)pyrimidine-6-carboxylate

1.2 Other means of identification

Product number	-
Other names	7-amino-3-cyano-pyrazolo[1,5-a]pyrimidine-6-carboxylic acid ethyl 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:64689-81-2 SDS

64689-81-2Upstream product

64689-81-2Downstream Products

64689-81-2Relevant articles and documents

Reaction of 5-aminopyrazole derivatives with ethoxymethylene- malononitrile and its analogues

Nagahara,Kawano,Sasaoka,Ukawa,Hirama,Takada,Cottam,Robins

, p. 239 - 243 (2007/10/02)

A one-pot synthesis using 5-aminopyrazole derivatives 1 with ethoxymethylenemalononitrile (EMMN), ethyl ethoxymethylenecyanoacetate (EMCA) or diethyl ethoxymethylenemalonate (DEMM) gave pyrazolo-[1,5-a]pyrimidine compounds 2,4,8. Also, the one step reaction of EMCA with hydrazine hydrate afforded ethyl(4-ethoxycarbonyl-5-pyrazolyl)aminomethylenecyanoacetate 3c. On the other hand, the reaction of 1-substituted 5-aminopyrazole-4-carboxamide 9 with EMMN afforded pyrazolo[3,4-d]pyrimidine compounds 10.

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CAS

64689-81-2