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6633-36-9

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6633-36-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6633-36-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,3 and 3 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6633-36:
(6*6)+(5*6)+(4*3)+(3*3)+(2*3)+(1*6)=99
99 % 10 = 9
So 6633-36-9 is a valid CAS Registry Number.
InChI:InChI=1/C8H10N2O2/c1-4-6(9)2-5(8(11)12)3-7(4)10/h2-3H,9-10H2,1H3,(H,11,12)

6633-36-9SDS

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 3,5-diamino-4-methylbenzoic acid

1.2 Other means of identification

Product number -
Other names 4-methyl-3,5-diaminobenzoic acid

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:6633-36-9 SDS

6633-36-9Relevant articles and documents

Preparation method of 2,6-dihydroxytoluene

-

, (2018/04/27)

The invention discloses a preparation method of 2,6-dihydroxytoluene. The preparation method comprises the following steps of dissolving prepared 3,5-diamino-4-methylbenzoic acid in water, adding dilute sulphuric acid, stirring uniformly, adding ZnCl2, reducing the temperature to minus -2 to 2 DEG C after stirring uniformly, dropwise adding a sodium nitrite solution into the mixture, continuouslystirring to react for 5-6 hours after the dropwise adding is finished, then adding water and dilute sulphuric acid, mixing uniformly, then heating for boiling, reacting for 30-45 minutes, then addingsodium hydroxide, carrying out reflux reaction for 1-2 hours, cooling to room temperature, adding diethyl ether, stirring for 20-40 minutes, then adding zeolite, stirring and mixing for 1-2 hours, carrying out reduced-pressure distillation after filtering, and preparing the 2,6-dihydroxytoluene. The preparation method disclosed by the invention has the beneficial effects that the raw-material costis low, the operation is simple, safe and reliable, the requirements for the environmental conditions are mild, the product purity is high and the yield is high.

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