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Check Digit Verification of cas no

The CAS Registry Mumber 1089-23-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,8 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1089-23:
(6*1)+(5*0)+(4*8)+(3*9)+(2*2)+(1*3)=72
72 % 10 = 2
So 1089-23-2 is a valid CAS Registry Number.

InChI:InChI=1/C12H16N2O4S/c13-9(6-19)11(16)14-10(12(17)18)5-7-1-3-8(15)4-2-7/h1-4,9-10,15,19H,5-6,13H2,(H,14,16)(H,17,18)/t9-,10-/m0/s1

1089-23-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name	(2S)-2-[[(2R)-2-amino-3-sulfanylpropanoyl]amino]-3-(4-hydroxyphenyl)propanoic acid

1.2 Other means of identification

Product number	-
Other names	L-Tyrosine,N-L-cysteinyl

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:1089-23-2 SDS

1089-23-2Upstream product

1089-23-2Downstream Products

7369-94-0 L-cystinyl-bis-L-tyrosine

1089-23-2Relevant articles and documents

Identification of novel L-amino acid α-ligases through hidden markov model-based profile analysis

Senoo, Akihiro,Tabata, Kazuhiko,Yonetani, Yoshiyuki,Yagasaki, Makoto

body text, p. 415 - 418 (2010/09/30)

L-Amino acid α-ligase (Lal), catalyzing the formation of α-dipeptides from unprotected l-amino acids in an ATP-dependent manner, is used in cost-effective fermentative production of dipeptides. We searched for novel Lals by in silico screening using Hidden Markov Model-based profile analysis, and identified five novel Lals that showed low similarity and different substrate specificity from known Lals.

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CAS

1089-23-2