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21891-36-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21891-36-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,8,9 and 1 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21891-36:
(7*2)+(6*1)+(5*8)+(4*9)+(3*1)+(2*3)+(1*6)=111
111 % 10 = 1
So 21891-36-1 is a valid CAS Registry Number.

21891-36-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name	hept-4-ynal

1.2 Other means of identification

Product number	-
Other names	4-Heptynal

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:21891-36-1 SDS

21891-36-1Upstream product

21891-36-1Downstream Products

6728-31-0 (Z)-4-heptenal

21891-36-1Relevant articles and documents

Method for the preparation of fragrances, and method for the preparation of perfume compositions

-

, (2008/06/13)

The invention relates to a method for the preparation of both known and novel fragrances and flavors, and in particular to the preparation and use of the novel fragrance compound, 2,6-nonadiene nitrile, and to a novel method for the preparation of 4-heptynal as the starting product for the preparation of the 2,6-nonadiene nitrile fragrance compound.

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CAS

21891-36-1